#include <iostream>

using namespace std;


int main()

{

while (1)

{


int main()
{
while (1)
{

int choice = NULL;

cout << " Choose  the  item :  ";
cin >> choice;


switch (choice)
{
case 1:
함수();
break;
case 2:
함수();
break;
case 3:
함수();
break;
case 4:
함수();
break;
case 5:
return 0;
default:
cout << " end\n";
break;
}
}

return 0;
}