#include <bits/stdc++.h>
using namespace std;
int main(void) {
  int left = 1, right = 100000000, mid, a, b;
  scanf("%d %d", &a, &b);
  while (left <= right) {
    mid = (left + right) / 2;
    if (mid == a * b)
      break;
    else if (mid > a * b)
      right = mid;
    else
      left = mid;
  }
  printf("%s\n", mid & 1 ? "Odd" : "Even");
  return 0;
}
