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