#include <bits/stdc++.h>
using namespace std;
long long powm(long long base, long long exp, long long mod = 1000000007) {
  long long ans = 1;
  while (exp) {
    if (exp & 1) ans = (ans * base) % mod;
    exp >>= 1, base = (base * base) % mod;
  }
  return ans;
}
int32_t main() {
  long long n;
  cin >> n;
  string s;
  cin >> s;
  if (n >= 3200)
    cout << "pink" << endl;
  else
    cout << "red" << endl;
}
