#include<stdio.h>
int main()
{
    int a,b,c,sum;
    scanf("%d%d%d",&a,&b,&c);
    sum=a+b+c;
    if(sum>=22)
    {
        printf("win\n");
        printf("%d+%d+%d=%d, so print win.\n",a,b,c,sum);
    }
    else
    {
        printf("bust\n");
        printf("%d+%d+%d=%d, so print bust.\n");
    }
    return 0;
}
