#include<cstdio>
int x,xx,n,ii;
const int c[101]={0,1,5,2,8,3,9,2,8,7,7,8,4,7,3,8,4,1,5,4,4,5,9,6,2,7,3,6,2,1,1,2,8,1,7,2,8,5,9,8,8,9,3,0,6,1,7,0,6,5,5,6,2,5,1,6,2,9,3,2,2,3,7,4,0,5,1,4,0,9,9,0,6,9,5,0,6,3,7,6,6,7,1,8,4,9,5,8,4,3,3,4,0,3,9,4,0,7,1,0,0};
char s[101];
int main()
{
	freopen("cifra.in","r",stdin);
	freopen("cifra.out","w",stdout);
	scanf("%d",&x);
	scanf("\n");
	for(xx=1;xx<=x;xx++)
	{
		gets(s);
		for(ii=0;s[ii];ii++);
		n=0; n+=(s[ii-1]-48);
		if(ii>1)
			n=n+10*(s[ii-2]-48);
		printf("%d\n",c[n]);
	}
	return 0;
}