#include<string.h>
#include<stdio.h>
using namespace std;

long long t,lung;
long long a[]={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 c[200];

int main()
{
int i;
freopen("cifra.in","r",stdin);
freopen("cifra.out","w",stdout);
scanf("%lld\n",&t);
for(i=0;i<t;i++)
    {
    gets(c);
    lung=strlen(c)-1;
    if(lung>=1)
        {
        lung= (c[lung-1] - '0') * 10 + (c[lung]-'0');
        }
    else lung=c[lung]-'0';
    printf("%lld\n",a[lung]);
    }
return 0;
}