#include <bits/stdc++.h>
int main() {
  int a;
  char s1[10], s2[10];
  scanf("%d %s", &a, s1);
  if (a >= 3200) {
    strcpy(s2, s1);
    printf(s2);
    printf("\na = %d is not less than 3200, so we print s = %s.", a, s1);
  }
  if (a < 3200) {
    if (strcmp(s1, s2) == 0) {
      printf("red");
    } else
      printf("red");
    printf("\na = %d is less than 3200, so we print red.", a);
  }
  return 0;
}
