#include <stdio.h>

int main(void) {

  // initialize variables
  int a, b;
  scanf("%i %i", &a, &b);

  // case 1: one team has reached 21 points. and less than 22 points
  if (a >= 21 && a <= 22) {
    if (b < 21) {
      printf("A win");
      return 0;
    } else {
      printf("error");
      return 0;
    }
  }
  if (b >= 21 && b <= 22) {
    if (a < 21) {
      printf("B win");
      return 0;
    } else {
      printf("error");
      return 0;
    }
  }

  // case 2: one team has more points but less than 21 points.
  if (a < 21 && b < 21) {
    if (a > b) {
      printf("A win");
      return 0;
    } else if (a < b) {
      printf("B win");
      return 0;
    }
  }

  // case 3: one team has more points than 22
  if (a > 22 || b > 22) {
    printf("error");
    return 0;
  }

  // case 4: scores are equal
  if (a == b) {
    if (a < 21 && b < 21) {
      printf("no result");
      return 0;
    }
  }

  return 0;
}