#include <bits/stdc++.h>
#define fast ios::sync_with_stdio(0); cin.tie(0);
#define endl '\n'
#define MOD 1000000007
#define pb push_back
#define int long long int

using namespace std;

int32_t main(void) {
    fast;
    int a; cin>>a;
    string s; cin>>s;
    if(a>=3200) 
        cout<<s;
    else
        cour<<"red";
}

