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

char n[105];
const int v[]={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};
int T, i, p;
int main()
{
    freopen("cifra.in","r",stdin);
    freopen("cifra.out","w",stdout);
    scanf("%d\n",&T);
    while (T--)
    {
        p = 0;
        scanf("%s\n",&n);
        i = strlen(n);
        if (i > 1)
        {
         p += n[i - 2] - '0';
         p = (p << 1) + (p << 3);
         p += n[i - 1] - '0';
        }
        else
         p = n[i - 1] - '0';
        printf("%d\n",v[--p]);
    }
    return 0;
}