#include<fstream.h>
 #include<string.h>
 ifstream f("cifra.in");
  ofstream g("cifra.out");
    int main(){
        char a[110];
        int nr,l,v[]={1,5,2,8,3,9,2,8,7,7,8,2,9,5,0,6,9,5,4,4,5,9,6,2,7,3,6,2,1,1,2,6,3,9,4,0,3,9,8,8,9,3,0,6,1,7,0,6,5,5,6,0,7,3,8,4,7,3,2,2,3,7,4,0,5,1,4,0,9,9,0,4,1,7,2,8,1,7,6,6,7,1,8,4,9,5,8,4,3,3,4,8,5,1,6,2,5,1,0,0,},i,n;
        f>>n;
        for(i=1;i<=n;i++){
            f>>a;
            l=strlen(a);
            nr=0;
            if(l>1)
                nr=(a[l-1]-'0')*10+(a[l-2]-'0');
            else
            if(l==1) nr=a[l-1]-'0';
            g<<v[nr-1]<<"\n";
        }
        g.close();
        return 0;
    }