#include <bits/stdc++.h>
int main(void) {
  int a, b, c;
  scanf("%d %d", &a, &b);
  c = (a % 2) * (b * 2);
  if (c == 1) {
    printf("Odd\n");
  } else if (c == 0) {
    printf("Even\n");
  }
  return 0;
}
