#include <algorithm>
#include <cmath>
#include <cstdio>
#include <cstring>
#include <iostream>
#include <map>
#include <queue>
#include <set>
#include <stack>
#include <string>
#include <vector>
using namespace std;
#include <algorithm>
#include <cmath>
#include <cstdio>
#include <cstring>
#include <iostream>
#include <map>
#include <queue>
#include <set>
#include <stack>
#include <string>
#include <vector>
using namespace std;

typedef long long ll;
int a;
string s;
int main() {
    cin >> a;
    cin >> s;
    if (a >= 3200) cout << s << endl;
    else
        cout << "red" << endl;
}
typedef long long ll;
int a, s;
int main() {
    cin >> a;
    cin >> s;
    if (a >= 3200) cout << s << endl;
    else
        cout << "red" << endl;
}