#include <bits/stdc++.h>
int main(int argc, char **argv) {
  if (argc != 3) exit(0);
  int a = atoi(argv[1]);
  int b = atoi(argv[2]);
  if ((a & 0b1 == 1) && (b & 0b1 == 1))
    printf("Odd\n");
  else
    printf("Even\n");
  return 0;
}
