#include <bits/stdc++.h>
int main(void) {
  int a, b;
  printf("enter a and b(1<=a,b<=10000):");
  scanf("%d %d", &a, &b);
  if ((a * b) % 2 == 0)
    printf("even\n");
  else
    printf("odd\n");
  return 0;
}
