#include <string.h>
#include <math.h>
#include <stdio.h>
#include <iostream>
using namespace std;
int main()
{
    const short int sume[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};
    char n[200]="";
    int aux=0;
    short int rasp=0;
    int i, t, asdf, l;
    FILE *f1;
    FILE *f2;
    f1=fopen("cifra.in","r");
    f2=fopen("cifra.out","w");
    fscanf(f1,"%d\n",&t);
    for (asdf=1; asdf<=t; asdf++)
    {
        aux=0;
        rasp=0;
        fscanf(f1,"%s\n",n);
        l=strlen(n);
        if (l==1) {aux=aux*10+((int)n[l-1]-48);}
        else
        {
            aux=aux*10+((int)n[l-2]-48);
            aux=aux*10+((int)n[l-1]-48);
        }
        fprintf(f2, "%d\n", sume[aux]);
    }
    cin>>t;
    fclose(f1); fclose(f2);
    return 0; 
}