#include <bits/stdc++.h>
using namespace std;
int main() {
  int n;
  char s[10], enter;
  cin >> n;
  cin >> enter;
  cin >> s;
  if (n == 3200)
    cout << "pink\n";
  else if (n < 3200 || n > 3200)
    cout << "red\n";
}
