#include <fstream> 
#include <string> 
using namespace std; 
 
 
char n[105]; 
short t,i,p,v[]={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}; 
int main() 
{ 
    
ifstream f("cifra.in"); 
    
ofstream g("cifra.out"); 
    
f>>t; 
    
for (;t;t--) 
    
{ 
        
p=0; 
        
f>>n; 
        
if (strlen(n)>1) 
        
{ 
         
p+=n[strlen(n)-2] - '0'; 
         
p*=10; 
         
p+=n[strlen(n)-1] - '0'; 
        
} 
        
else
         
p=n[strlen(n)-1] - '0'; 
        
g<<v[p-1]<<"\n"; 
    
} 
    
g.close(); 
    
f.close(); 
    
return 0; 
}