#include <bits/stdc++.h>
using namespace std;
int main() {
  int n;
  char s[10], enter;
  cin >> n;
  cin >> enter;
  cin >> s;
  if (n >= 3200)
    printf("pink\n\na = %d is not less than 3200, so we print s= pink.\n", n);
  if (n < 3200)
    printf("red\n\na = %d is less than 3200, so we print red.\n", n);
}
