#include <fstream.h>  
    #include <string.h>  
    #include <iostream.h>  
      
    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 main()  
     
   {  
    fstream f1("cifra.in",ios::in);  
    fstream f2("cifra.out",ios::out);  
    int T,i,L,x;  
    char N[101];  
     
    f1>>T;  
    f1.get();  
    for (i=1;i<=T;i++)  
    {  
     f1.get(N,101);  
     f1.get();  
     L=strlen(N);  
     if (L==1) x=int(N[0])-48;  
       else x=(int(N[L-2])-48)*10+(int(N[L-1])-48);  
     f2<<C[x]<<"\n";  
    };  
    return 0;  
   }