#include <stdio.h>
#include <string.h> 
   
using namespace std;  
  
char nr[110];  
int c[100]={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 lung,n;  
  
int main()
{  
		   
	freopen("cifra.in","r",stdin);  
	freopen("cifra.out","w",stdout);  
	
   	scanf("%d\n",&n);  
	for (; n; --n)
	{  
		gets(nr); 
		lung = strlen(nr) - 1; 
		if (lung >= 1)
			lung = (nr[lung - 1] - '0') * 10 + nr[lung] - '0';  
       	else lung = nr[lung] - '0';  
		
		printf("%d\n",c[lung]);
	} 
	 
  	//fin.close();  
  	//fout.close(); 
  	 
  	return 0;  
}