#include <bits/stdc++.h>
int main(void) {
  int a, b;
  char buf[1000];
  fgets(buf, sizeof(buf), stdin);
  sscanf(buf, "%d %d\n", &a, &b);
  if (a * b % 2 == 0)
    printf("even");
  else
    printf("odd");
  return 0;
}
