#include <bits/stdc++.h>
using namespace std;
int main() {
  int a, b;
  while (cin >> a >> b) {
    int prod = a * b;
    if (prod % 2 == 0) {
      printf("Even\n");
    } else {
      printf("Odd\n");
    }
  }
  return 0;
}
