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

int main(){
	int a, b;
	cin >> a >> b;
	if((a * b) % 2 = 0) cout << "Even" << endl;
	cout << "Odd" << endl;
}