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