#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp> // Common file
#include <ext/pb_ds/tree_policy.hpp>
#include <functional> // for less
/*
#pragma GCC optimize ("O3")
#pragma GCC optimize("Ofast")
#pragma GCC optimize ("unroll-loops")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
*/

#define FASTIO ios::sync_with_stdio(0); cin.tie(0);
#define show(x) cout << #x << " = " << x << "\n"
#define mem( a , b ) memset( a , b , sizeof a )
#define popcnt(x) __builtin_popcount(x)
#define all(x) x.begin() , x.end()
#define mod(x,m) ((x%m + m )%m)
#define SZ(a) (int)a.size()
#define ll  long long
#define ld  long double
#define vii vector  <ll>
#define dqi deque   <ll>
#define sii set     <ll>
#define vpi vector  <pii>
#define mii map     <ll,ll>
#define pii pair    <ll,ll>
#define pi  pair    <int,int>
#define pb  push_back
#define F   first
#define S   second
#define L   length()
#define OO  (ll)1e18
#define lSOne(x)(x&-x)
#define EPS 1e-20
using namespace std;
using namespace __gnu_pbds;
void ONLINE__JUDGE();

template<typename T>
using ordered_set = tree<T, null_type, less<T>, rb_tree_tag,
tree_order_statistics_node_update>;

pii swapii( pii pr ){ return { pr.S , pr.F }; }
ll binEXP( ll x , ll pw , ll MOD = LLONG_MAX );
int dx[] = {  0 ,  0 , -1 , +1 , -1 , +1 , -1 , +1 };
int dy[] = { -1 , +1 ,  0 ,  0 , -1 , +1 , +1 , -1 };

const ll MOD = 1e9 + 7;
const ll MAX = 100 + 9;

ll x; string s;

int main(){
    FASTIO //ONLINE__JUDGE();

    cin >> x >> s;
    if ( x > 3200 ) cout << s;
    else cout << "red";
    return 0;
}

void ONLINE__JUDGE()
{
    #ifndef ONLINE_JUDGE
    freopen( "inp.c"         , "r" , stdin  );
    //freopen( "OutPut.txt"   , "w" , stdout );
    #endif // ONLINE_JUDGE
}

ll binEXP( ll x , ll pw , ll MOD )
{ ll res=1; while(pw>0){ pw%2 ? res *= x : 0; x *= x; x%=MOD; pw /= 2; res%= MOD; } return res%=MOD; }
