AddExitFunction

 
 #include<iostream>
+#include<string>
 using namespace std;
 
 int main() {
 	
-	cout << "숫자를 입력해주세요";
-	int a;
+	cout << "ÀÔ·Â : " << endl << "(if you enter 'exit', the program will exit)";
+	string a;
 	cin >> a;
+	if (a == "exit") 
+	{
+		return 0;
+	}
+	else
+	{
 		cout << "Ãâ·Â : " << a;
-
+	}
 	return 0;
 }