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

char n[102];

int val[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 t, nr, i;

int main()
{
	freopen("cifra.in", "r", stdin);
	freopen("cifra.out", "w", stdout);
	
	scanf("%d", &t);
	for(i=1;i<=t;++i)
	{
		scanf("%s", &n);
		nr = strlen(n);
		if(nr == 1) printf("%d\n", val[n[0]-'0']);
		else
			printf("%d\n", val[(n[nr-2]-'0') * 10 + (n[nr-1] - '0')]);
	}
	return 0;
}