Implementation for ECHO(add to exit function)

@@ -9,7 +9,14 @@ void echo()
 	{
 		string any;
 		cin >> any;
+		if (any == "exit")
+		{
+			return;
+		}
+		else
+		{
 			cout << any << endl;
 		}
+	}
 	return;
 }
\ No newline at end of file

 PlatformToolSet=v142:VCToolArchitecture=Native32Bit:VCToolsVersion=14.27.29110:TargetPlatformVersion=10.0.18362.0:
-Debug|x64|D:\OneDrive - 경희대학교\전공필수\오픈소스SW개발\git_branch_assignment2\|
+Debug|x64|C:\Users\곽원석\Documents\git branch\git_branch_practice\B\2020gitbranch_assignment2\git_branch_assignment2\|

 <?xml version="1.0" encoding="utf-8"?>
 <Project>
-  <ProjectOutputs>D:\OneDrive - 경희대학교\전공필수\오픈소스SW개발\git_branch_assignment2\x64\Debug\git_branch_assignment2.exe</ProjectOutputs>
+  <ProjectOutputs>C:\Users\곽원석\Documents\git branch\git_branch_practice\B\2020gitbranch_assignment2\git_branch_assignment2\x64\Debug\git_branch_assignment2.exe</ProjectOutputs>
   <ContentFiles></ContentFiles>
   <SatelliteDlls></SatelliteDlls>
   <NonRecipeFileRefs></NonRecipeFileRefs>

   main.cpp
-  git_branch_assignment2.vcxproj -> D:\OneDrive - 경희대학교\전공필수\오픈소스SW개발\git_branch_assignment2\x64\Debug\git_branch_assignment2.exe
+  git_branch_assignment2.vcxproj -> C:\Users\곽원석\Documents\git branch\git_branch_practice\B\2020gitbranch_assignment2\git_branch_assignment2\x64\Debug\git_branch_assignment2.exe

 D:\OneDrive - 경희대학교\전공필수\오픈소스SW개발\git_branch_assignment2\x64\Debug\git_branch_assignment2.exe
 D:\OneDrive - 경희대학교\전공필수\오픈소스SW개발\git_branch_assignment2\x64\Debug\git_branch_assignment2.pdb
+C:\Users\곽원석\Documents\git branch\git_branch_practice\B\2020gitbranch_assignment2\git_branch_assignment2\x64\Debug\git_branch_assignment2.exe
+C:\Users\곽원석\Documents\git branch\git_branch_practice\B\2020gitbranch_assignment2\git_branch_assignment2\x64\Debug\git_branch_assignment2.pdb