---

#include <stdio.h>

int main(void) {
  double x;
  double y;
  if (scanf("%lf %lf", &x, &y) != 2) {
    printf("n/a\n");
    return 0;
  }
  int next = getchar();
  if (next != '\n' && next != EOF) {
    printf("n/a\n");
    return 0;
  }
  if (x * x + y * y < 25) {
    printf("GOTCHA\n");
  } else {
    printf("MISS\n");
  }
  return 0;
}