ABC138A - Red or Not

問題：

#include <iostream>
#include <string>
using namespace std;

int main(void) {
    int a;
    string s;

    cin.tie(0);
    ios::sync_with_stdio(false);
    cin >> a;
    cin >> s;
    cout << (a < 3200? "red" : s) << "\n";
    return 0;
}