#include <bits/stdc++.h>

using namespace std;

int main()
{
#ifdef ONLINE_JUDGE
  freopen("casino.in", "r", stdin);
  freopen("casino.out", "w", stdout);
#endif
ios_base::sync_with_stdio(0);
cin.tie(NULL);
cout.tie(NULL);
srand(time(NULL));
int b=rand()%2;
if(b==0)cout<<"RED"<<endl;
else cout<<"BLACK"<<endl;
return 0;
}