#include <bits/stdc++.h>
using namespace std;
int main() {
  long long int a, b, d, e, i, j, n = 0, m, c[1000], p = 0, x, y, z, xx, pp;
  string s;
  cin >> a;
  cin >> s;
  if (a >= 3200)
    cout << "pink" << endl;
  else
    cout << "red" << endl;
}
