#include<stdio.h>
#include<string.h>
using namespace std;
char n[102];
int valori[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},t,nr,i;
int main()
{FILE*f=fopen("cifra.in","r");
FILE*g=fopen("cifra.out","w");
fscanf(f,"%d",&t);
for(i=1;i<=t;i++)
{
   fscanf(f,"%s",&n);
   nr=strlen(n);
   if(nr==1) fprintf(g,"%d\n",valori[n[0]-'0']);
   else fprintf(g,"%d\n",valori[(n[nr-2]-'0')*10+(n[nr-1]-'0')]);
}
fclose(f);
fclose(g);
    return 0;
}