#include <bits/stdc++.h>
using namespace std;
#define rep(i, srt, end) for (long long i = (srt); i < (long long)(end); i++)
#define VL vector<ll>
#define INF 100000000
typedef long long ll;

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