#if defined(DAIJOBU)
#include "/home/ichigo/includes.hpp"
#include "PP.hpp"
#define deb(x...) cerr << "[" << #x << "] = " << x << "\n";
#else
#include <bits/stdc++.h>
#define deb(x...)
#endif
#define mp make_pair
#define mt make_tuple
#define fi first
#define se second
#define pb push_back
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define forn(i, n) for (int i = 0; i < (int)(n); ++i)
#define for1(i, n) for (int i = 1; i <= (int)(n); ++i)
#define ford(i, n) for (int i = (int)(n) - 1; i >= 0; --i)
#define fore(i, a, b) for (int i = (int)(a); i <= (int)(b); ++i)

using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<pii> vpi;
typedef vector<vi> vvi;
typedef long long lint;
typedef vector<lint> vlint;
typedef vector<vlint> vvlint;
typedef pair<lint, lint> plint;
typedef double ld;

template<class T> bool chmin(T &a, T b) { return a > b ? (a = b, true) : false; }
template<class T> bool chmax(T &a, T b) { return a < b ? (a = b, true) : false; }

int main() {
    ios::sync_with_stdio(false);
	cin.tie(0);
  	
	int n;string s;
	cin >> n >> s;
	if(a < 3200)puts("Red");
	else cout << s << '\n';
    return 0;
}

