#include<stdio.h>
#include<string.h>
int t,v[]={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[1000];
int main()
{
	freopen("cifra.in","r",stdin);
	freopen("cifra.out","w",stdout);
	int i,a,b,l,s=0;
	scanf("%d",&t);
	for(i=0;i<t;i++)
	{
		scanf("%s",&n);
		s=0;
		l=strlen(n);
		if(l>1)
		{
			a=n[l-2]-'0';
			b=n[l-1]-'0';
		}
		else
		{
			a=0;
			b=n[l-1]-'0';
		}
		s=a*10+b;
		printf("%d\n",v[s]);
	}
	return 0;
}