#include <bits/stdc++.h>
#define REP(i,n) for(int i=0;i<(n);i++)
const int MOD=(int)1e9+7;
using namespace std;
int main(){
    int a,b;
    cin>>0a>>b;
    if(a*b%2==0) cout<<"Even"<<endl;
    else cout<<"Odd"<<endl;
}