diff --git a/.editorconfig b/Lab4/.editorconfig
similarity index 100%
rename from .editorconfig
rename to Lab4/.editorconfig
diff --git a/.gitignore b/Lab4/.gitignore
similarity index 100%
rename from .gitignore
rename to Lab4/.gitignore
diff --git a/Lab4.AddSurname/Duomenys.txt b/Lab4/Lab4.AddSurname/Duomenys.txt
similarity index 100%
rename from Lab4.AddSurname/Duomenys.txt
rename to Lab4/Lab4.AddSurname/Duomenys.txt
diff --git a/Lab4.AddSurname/Lab4.AddSurname.csproj b/Lab4/Lab4.AddSurname/Lab4.AddSurname.csproj
similarity index 100%
rename from Lab4.AddSurname/Lab4.AddSurname.csproj
rename to Lab4/Lab4.AddSurname/Lab4.AddSurname.csproj
diff --git a/Lab4.AddSurname/Program.cs b/Lab4/Lab4.AddSurname/Program.cs
similarity index 100%
rename from Lab4.AddSurname/Program.cs
rename to Lab4/Lab4.AddSurname/Program.cs
diff --git a/Lab4.AddSurname/TaskUtils.cs b/Lab4/Lab4.AddSurname/TaskUtils.cs
similarity index 100%
rename from Lab4.AddSurname/TaskUtils.cs
rename to Lab4/Lab4.AddSurname/TaskUtils.cs
diff --git a/Lab4.ChainedWords/InOut.cs b/Lab4/Lab4.ChainedWords/InOut.cs
similarity index 100%
rename from Lab4.ChainedWords/InOut.cs
rename to Lab4/Lab4.ChainedWords/InOut.cs
diff --git a/Lab4.ChainedWords/Knyga.txt b/Lab4/Lab4.ChainedWords/Knyga.txt
similarity index 100%
rename from Lab4.ChainedWords/Knyga.txt
rename to Lab4/Lab4.ChainedWords/Knyga.txt
diff --git a/Lab4.ChainedWords/Lab4.ChainedWords.csproj b/Lab4/Lab4.ChainedWords/Lab4.ChainedWords.csproj
similarity index 100%
rename from Lab4.ChainedWords/Lab4.ChainedWords.csproj
rename to Lab4/Lab4.ChainedWords/Lab4.ChainedWords.csproj
diff --git a/Lab4.ChainedWords/Program.cs b/Lab4/Lab4.ChainedWords/Program.cs
similarity index 100%
rename from Lab4.ChainedWords/Program.cs
rename to Lab4/Lab4.ChainedWords/Program.cs
diff --git a/Lab4.ChainedWords/TaskUtils.cs b/Lab4/Lab4.ChainedWords/TaskUtils.cs
similarity index 100%
rename from Lab4.ChainedWords/TaskUtils.cs
rename to Lab4/Lab4.ChainedWords/TaskUtils.cs
diff --git a/Lab4.ChainedWords/tests/1/Knyga.txt b/Lab4/Lab4.ChainedWords/tests/1/Knyga.txt
similarity index 100%
rename from Lab4.ChainedWords/tests/1/Knyga.txt
rename to Lab4/Lab4.ChainedWords/tests/1/Knyga.txt
diff --git a/Lab4.ChainedWords/tests/2/Knyga.txt b/Lab4/Lab4.ChainedWords/tests/2/Knyga.txt
similarity index 100%
rename from Lab4.ChainedWords/tests/2/Knyga.txt
rename to Lab4/Lab4.ChainedWords/tests/2/Knyga.txt
diff --git a/Lab4.FirstEqualLast/Duomenys.txt b/Lab4/Lab4.FirstEqualLast/Duomenys.txt
similarity index 100%
rename from Lab4.FirstEqualLast/Duomenys.txt
rename to Lab4/Lab4.FirstEqualLast/Duomenys.txt
diff --git a/Lab4.FirstEqualLast/Lab4.FirstEqualLast.csproj b/Lab4/Lab4.FirstEqualLast/Lab4.FirstEqualLast.csproj
similarity index 100%
rename from Lab4.FirstEqualLast/Lab4.FirstEqualLast.csproj
rename to Lab4/Lab4.FirstEqualLast/Lab4.FirstEqualLast.csproj
diff --git a/Lab4.FirstEqualLast/Program.cs b/Lab4/Lab4.FirstEqualLast/Program.cs
similarity index 100%
rename from Lab4.FirstEqualLast/Program.cs
rename to Lab4/Lab4.FirstEqualLast/Program.cs
diff --git a/Lab4.FirstEqualLast/TaskUtils.cs b/Lab4/Lab4.FirstEqualLast/TaskUtils.cs
similarity index 100%
rename from Lab4.FirstEqualLast/TaskUtils.cs
rename to Lab4/Lab4.FirstEqualLast/TaskUtils.cs
diff --git a/Lab4.K2/Lab4.K2.csproj b/Lab4/Lab4.K2/Lab4.K2.csproj
similarity index 100%
rename from Lab4.K2/Lab4.K2.csproj
rename to Lab4/Lab4.K2/Lab4.K2.csproj
diff --git a/Lab4.K2/Program.cs b/Lab4/Lab4.K2/Program.cs
similarity index 100%
rename from Lab4.K2/Program.cs
rename to Lab4/Lab4.K2/Program.cs
diff --git a/Lab4.K2/Tekstas.txt b/Lab4/Lab4.K2/Tekstas.txt
similarity index 100%
rename from Lab4.K2/Tekstas.txt
rename to Lab4/Lab4.K2/Tekstas.txt
diff --git a/Lab4.LetterFrequency/Duomenys.txt b/Lab4/Lab4.LetterFrequency/Duomenys.txt
similarity index 100%
rename from Lab4.LetterFrequency/Duomenys.txt
rename to Lab4/Lab4.LetterFrequency/Duomenys.txt
diff --git a/Lab4.LetterFrequency/InOut.cs b/Lab4/Lab4.LetterFrequency/InOut.cs
similarity index 100%
rename from Lab4.LetterFrequency/InOut.cs
rename to Lab4/Lab4.LetterFrequency/InOut.cs
diff --git a/Lab4.LetterFrequency/Lab4.LetterFrequency.csproj b/Lab4/Lab4.LetterFrequency/Lab4.LetterFrequency.csproj
similarity index 100%
rename from Lab4.LetterFrequency/Lab4.LetterFrequency.csproj
rename to Lab4/Lab4.LetterFrequency/Lab4.LetterFrequency.csproj
diff --git a/Lab4.LetterFrequency/LettersFrequency.cs b/Lab4/Lab4.LetterFrequency/LettersFrequency.cs
similarity index 100%
rename from Lab4.LetterFrequency/LettersFrequency.cs
rename to Lab4/Lab4.LetterFrequency/LettersFrequency.cs
diff --git a/Lab4.LetterFrequency/Program.cs b/Lab4/Lab4.LetterFrequency/Program.cs
similarity index 100%
rename from Lab4.LetterFrequency/Program.cs
rename to Lab4/Lab4.LetterFrequency/Program.cs
diff --git a/Lab4.RemoveComments/Duomenys.txt b/Lab4/Lab4.RemoveComments/Duomenys.txt
similarity index 100%
rename from Lab4.RemoveComments/Duomenys.txt
rename to Lab4/Lab4.RemoveComments/Duomenys.txt
diff --git a/Lab4.RemoveComments/InOut.cs b/Lab4/Lab4.RemoveComments/InOut.cs
similarity index 100%
rename from Lab4.RemoveComments/InOut.cs
rename to Lab4/Lab4.RemoveComments/InOut.cs
diff --git a/Lab4.RemoveComments/Lab4.RemoveComments.csproj b/Lab4/Lab4.RemoveComments/Lab4.RemoveComments.csproj
similarity index 100%
rename from Lab4.RemoveComments/Lab4.RemoveComments.csproj
rename to Lab4/Lab4.RemoveComments/Lab4.RemoveComments.csproj
diff --git a/Lab4.RemoveComments/Program.cs b/Lab4/Lab4.RemoveComments/Program.cs
similarity index 100%
rename from Lab4.RemoveComments/Program.cs
rename to Lab4/Lab4.RemoveComments/Program.cs
diff --git a/Lab4.RemoveComments/TaskUtils.cs b/Lab4/Lab4.RemoveComments/TaskUtils.cs
similarity index 100%
rename from Lab4.RemoveComments/TaskUtils.cs
rename to Lab4/Lab4.RemoveComments/TaskUtils.cs
diff --git a/Lab4.RemoveLines/Duomenys.txt b/Lab4/Lab4.RemoveLines/Duomenys.txt
similarity index 100%
rename from Lab4.RemoveLines/Duomenys.txt
rename to Lab4/Lab4.RemoveLines/Duomenys.txt
diff --git a/Lab4.RemoveLines/InOut.cs b/Lab4/Lab4.RemoveLines/InOut.cs
similarity index 100%
rename from Lab4.RemoveLines/InOut.cs
rename to Lab4/Lab4.RemoveLines/InOut.cs
diff --git a/Lab4.RemoveLines/Lab4.RemoveLines.csproj b/Lab4/Lab4.RemoveLines/Lab4.RemoveLines.csproj
similarity index 100%
rename from Lab4.RemoveLines/Lab4.RemoveLines.csproj
rename to Lab4/Lab4.RemoveLines/Lab4.RemoveLines.csproj
diff --git a/Lab4.RemoveLines/Program.cs b/Lab4/Lab4.RemoveLines/Program.cs
similarity index 100%
rename from Lab4.RemoveLines/Program.cs
rename to Lab4/Lab4.RemoveLines/Program.cs
diff --git a/Lab4.RemoveVowels/Duomenys.txt b/Lab4/Lab4.RemoveVowels/Duomenys.txt
similarity index 100%
rename from Lab4.RemoveVowels/Duomenys.txt
rename to Lab4/Lab4.RemoveVowels/Duomenys.txt
diff --git a/Lab4.RemoveVowels/Lab4.RemoveVowels.csproj b/Lab4/Lab4.RemoveVowels/Lab4.RemoveVowels.csproj
similarity index 100%
rename from Lab4.RemoveVowels/Lab4.RemoveVowels.csproj
rename to Lab4/Lab4.RemoveVowels/Lab4.RemoveVowels.csproj
diff --git a/Lab4.RemoveVowels/Program.cs b/Lab4/Lab4.RemoveVowels/Program.cs
similarity index 100%
rename from Lab4.RemoveVowels/Program.cs
rename to Lab4/Lab4.RemoveVowels/Program.cs
diff --git a/Lab4.RemoveVowels/TaskUtils.cs b/Lab4/Lab4.RemoveVowels/TaskUtils.cs
similarity index 100%
rename from Lab4.RemoveVowels/TaskUtils.cs
rename to Lab4/Lab4.RemoveVowels/TaskUtils.cs
diff --git a/Lab4.sln b/Lab4/Lab4.sln
similarity index 100%
rename from Lab4.sln
rename to Lab4/Lab4.sln
diff --git a/README.md b/Lab4/README.md
similarity index 100%
rename from README.md
rename to Lab4/README.md
diff --git a/global.json b/Lab4/global.json
similarity index 100%
rename from global.json
rename to Lab4/global.json