#include <stdio.h>
#include <string.h>
int main(){
int u[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};
FILE *f,*g;int n;unsigned long long lim;char x[101];int y,y2,x1,x2;
f=fopen("cifra.in","rt");
g=fopen("cifra.out","wt");
fscanf(f,"%d",&n);
for(int i=1;i<=n;i++){
 fscanf(f,"%s",&x);x1=strlen(x)-1;x2=strlen(x)-2;
 y=int(x[x1]-48);y2=int(x[x2]-48);lim=y2*10+y;
 fprintf(g,"%d\n",u[lim]);
}
fclose(g);
return 0;
}