#include <bits/stdc++.h>
int main() {
  int a, s, d, f;
  scanf("%d %d", &a, &s);
  d = a % 2;
  f = s % 2;
  if (d != 0 || f != 0) {
    printf("Odd");
  } else {
    printf("Even");
  }
  return 0;
}
