#include<stdio.h>
int a,n,sum,d,l[101]={0,1,5,2,8,3,9,2,8,7,7,8,4,7,3,8,4,1,5,4,4,5,9,6,2,7,3,6,2,1,1,2,8,1,7,2,8,5,9,8,8,9,3,0,6,1,7,0,6,5,5,6,2,5,1,6,2,9,3,2,2,3,7,4,0,5,1,4,0,9,9,0,6,9,5,0,6,3,7,6,6,7,1,8,4,9,5,8,4,3,3,4,0,3,9,4,0,7,1,0};
int cifra(int a)
{int c;
d=0;

//for(int j=0;j<=a;j++)
       //	{d+=l[j];

//printf("%d ",d);}

return l[a];
}

int main()
{
freopen("cifra.in","r",stdin);
freopen ("cifra.out","w",stdout);
scanf("%d",&n);
for(int i=1;i<=n;i++)
	{scanf("%d", &a);
	cifra(a) ;
      	printf("%d\n",cifra(a));
	}
return 0;
}