#include <bits/stdc++.h>
using namespace std;
double pi = 3.141592653589793;
long long mod = 1000000007;
long long INF = 1000000001;
int intmax = 2147483647;
int intmin = -2147483648;
long long llmax = 9223372036854775807;
long long llmin = -9223372036854775807;
int main() {
  int a;
  string s;
  cin >> a >> s;
  if (a >= 3200) {
    cout << s << endl;
  } else {
    cout << "pink" << endl;
  }
  return 0;
}
