#include <bits/stdc++.h>
using namespace std;
int main(){

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

if(a*b % 2 == 0){
cout <<"Even" << endl;
else if ( a*b==0){
cout << "Even" <<endl;
}
}
if(a*b%2==1){
cout << "Odd" <<endl;
}
}