#include <fstream>
#include <cstring>
using namespace std;

ifstream fin("cifra.in");
ofstream fout("cifra.out");
int i,j,k,s,t,d;
int c[]= {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 n[101];
int main()
{


    freopen ("cifra.in","r",stdin);
    freopen ("cifra.out","w",stdout);

    scanf("%d",&t);

    //fin.getline(n,101);
    for(i=0;i<t;i++)
    {
         scanf("%s",&n);
        d=strlen(n);

        if(d>1)
        {
            k+=n[d-2]-'0';
            k*=10;
            k+=n[d-1]-'0';

        }

        else

        k=n[d-1]-'0';

        printf("%d\n",c[k]);
    }

    return 0;
}