#include<cstdio>
#include<algorithm>
#include<cstring>
using namespace std;
#define FOR(i,a,b) for(i=a;i<=b;i++)
int  cifre[]={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 a[101];
int main()
{
	int  t,i,sol;
	freopen("cifra.in","r",stdin);
	freopen("cifra.out","w",stdout);
	scanf("%d",&t);	
	FOR(i,1,t)
	{
		scanf("%s",&a);
		if(strlen(a)>1)
            sol=(a[strlen(a)-2]-'0')*10+(a[strlen(a)-1]-'0');
        else
			sol=(a[strlen(a-1)]-'0');
        printf("%d\n",cifre[sol-1]);
	}
	return 0;
}