#include<stdio.h>
#include<string.h>

int u[]={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};
int t,i,n,l;
char s[105];

int main()
{
	freopen("cifra.in","r",stdin);
	freopen("cifra.out","w",stdout);

	scanf("%d",&t);

	for(;t;t--)
	{
		scanf("%s",&s);
		l=strlen(s);

		l--;

		if(l>=1)
			n=(s[l-1]-'0')*10+s[l]-'0';
		else
			n=s[l]-'0';

		printf("%d\n",u[n]);
	}
	
	return 0;
}