#include<iostream>
#include<string>
using namespace std;
 
int main() {
    int a,b;
    cin >> a >> b;
    string re = "Even";
    if(a%2 ==1 && b%2 == 1){
        re = "Odd";
    }

    cout << re << endl;
    return 0;
}#include<iostream>
#include<string>
using namespace std;
 
int main() {
    int a,b;
    cin >> a >> b;
    string re = "Even";
    if(a%2 ==1 && b%2 == 1){
        re = "Odd";
    }

    cout << re << endl;
    return 0;
}