#include <bits/stdc++.h>
int n, m, t;
int main() {
  while (~scanf("%d %d", &n, &m)) {
    int mark = 1;
    if (n % 2 != 0 && m % 2 != 0) mark = 0;
    if (mark)
      printf("Odd\n");
    else
      printf("Even\n");
  }
  return 0;
}
