#include <stdio.h>
#include <string.h>
int i,k,n,ct[101]={0,1,5,2,8,3,9,2,8,7,7,8,4,7,3,8,4,1,5,4,4,5,9,6,2,7,3,6,2,1,1,2,8,1,7,2,8,5,9,8,8,9,3,0,6,1,7,0,6,5,5,6,2,5,1,6,2,9,3,2,2,3,7,4,0,5,1,4,0,9,9,0,6,9,5,0,6,3,7,6,6,7,1,8,4,9,5,8,4,3,3,4,0,3,9,4,0,7,1,0,0};
char cif[101],alb;
FILE*f=fopen("cifra.in","r");
FILE*g=fopen("cifra.out","w");
int main(){
	fscanf(f,"%d",&k);
	fscanf(f,"%c",&alb);
	while(k){
		fscanf(f,"%s",&cif);
		if(strlen(cif)>=2)
			n=(cif[strlen(cif)-2]-48)*10+(cif[strlen(cif)-1]-48);
		else
                	n=cif[strlen(cif)-1]-48;
		fprintf(g,"%d\n",ct[n]);
		k--;
	}
	return 0;
}