#include <bits/stdc++.h>
int main(void) {
  FILE *fp;
  fp = stdin;
  char line[1024];
  if (!fgets(line, 1024, fp)) return 0;
  int num1, num2;
  sscanf(line, "%d %d\n", &num1, &num2);
  int flag = (num1 & 2) || (num2 & 2);
  printf("%s\n", flag ? "Even" : "Odd");
  return 0;
}
