#include <bits/stdc++.h>
#include <atcoder/all>	
using namespace std;
using namespace atcoder;

int main(){
	
	long long  a, b;
	cin >> a >> b;
	
	if(a %  2 && b % 2 ) cout<< "Odd"  << endl;
	else cout << "Even" << endl;
	
	

}