#include <stdio.h>
main(){int i,j,n,a,N;char c;scanf("%d",&N);while(N-->0){n=a=0;for(i=0;i<10;i++)
{scanf(" %c",&c);c=c=='A'?1:(c>'9'?10:c-'0');if(n+a*9<17){n+=c;a=(a||c<2)&&n<12
;j=i;}}n+=a*10;if(n==21&&j<2)printf("blackjack\n");else if(n>21)printf("bust\n"
);else printf("%d\n",n);}}