#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;     
}