#include <bits/stdc++.h>
using namespace std;
signed long long int t, n, k, x = 0, y = 2, m, ans = 0, h, s;
signed long long int a[100005], b[100005], c[100005];
double f = 0.5;
vector<signed long long int> adj[100005];
bool used[100005];
signed long long int d[100005];
signed long long int p[100005];
queue<signed long long int> q;
signed main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
  ;
  cin >> n;
  string str;
  cin >> str;
  if (n >= 3200) {
    cout << "pink";
    return 0;
  }
  cout << "red";
}
