#include<fstream.h>  
 #include<string.h>  
 int x[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 a,b,c,i,j,t,l;  
 char v[101];  
 int main()  
 {  
 ifstream fin("cifra.in");  
 ofstream fout("cifra.out");  
 fin>>t;  
   for(i=1;i<=t;i++)  
     {  
       fin>>v;  
       l=strlen(v);  
       a=v[l-1]-48;  
       b=v[l-2]-48;  
         if(l>1)  
           c=b*10+a;  
         else  
           c=a;  
       fout<<x[c]<<'\n';  
     }  
fin.close();  
fout.close();  
return 0;  
}