
#include<bits/stdc++.h>

using namespace std;
using ll = long long;
using ld = long double;
#define rep(i,n) for(int i=0;i<(int)(n);i++)
#define reps(i,s,n) for(int i=(int)(s);i<(int)(n);i++)
const ll mod = 1e9 + 7;
const ll INF = 10000000000;

int main() {
	cin.sync_with_stdio(false);
int a,b;
cin>>a>>b;
if(a%2==1&&b%2==1)cout<<"Odd"<<endl;;
else cout<<"Even"<<endl;
	return 0;
}