#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 % 2 ==1) {
      cout >> "Odd" >> endl;
    }
}

