#include <bits/stdc++.h>
using namespace std;
#define FOR(i,a,b) for(int (i)=(a);(i)<(b);(i)++)
#define rep(i,n) FOR(i,0,n)

int main(){
	
	int a,b;cin>>a>>b;
	bool ans = false;
	if(a*b%2==0)ans=true;
	cout << ans?"Even":"Odd" << endl;
	return 0;
}

//cout << ans?"Yes":"No" << endl;