C++ switch文

#include <iostream>
using namespace std;

int main()
{
int hand;

cout << "手を選んでください(0・・・グー/1・・・チョキ/2・・・パー):";
cin >> hand;

switch (hand){
case 0: cout << "グー\n"; break;
case 1: cout << "チョキ\n"; break;
case 2: cout << "パー\n"; break;
}
return 0;
}