#include<fstream.h>
#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 (i=0;i<t;i++) 
		
	{ 
        
		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();      
}