#include<stdio.h>
#include<iostream>
#include<string.h>
using namespace std;
int u[10][4],i,j,n,cifra,b;
char a[110];
int main()
{freopen("cifra.in","r",stdin);
freopen("cifra.out","w",stdout);
scanf("%d ",&n);
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};
for(i=1;i<=n;i++)
{scanf("%s",a);
if(strlen(a)>1)
b=(a[strlen(a)-2]-'0')*10+(a[strlen(a)-1]-'0');
else
b=a[strlen(a)-1]-'0';
printf("%d\n",v[b-1]);
}
return 0;}