#include <bits/stdc++.h>
#define ll long long
#define rep(X,N) for(int X = 0; X < (N); X++)
#define PI (acos(-1.0))
#define pback push_back
#define mpair make_pair
#define MODN 1000000007
#define ALL(V) (V).begin(),(V).end() 
#define CERR if(false) cerr

using namespace std;

int main(){

    int a,b;
    cin >> a >> b;

    cout << ((a * b) % 2 == 0 ? "Even" : "Odd" << endl;
    return 0; 
}
