#include <fstream>
#include <string.h>
using namespace std;
 ifstream f("cifra.in");
 ofstream g("cifra.out");
int x[101]={0,1,5,2,8,3,9,2,8,7,7,8,4,1,7,2,8,1,5,4,4,5,9,6,2,7,3,6,2,1,1,2,8,5,1,6,2,5,9,8,8,9,3,0,6,1,7,0,6,5,5,6,2,9,5,0,6,9,3,2,2,3,7,4,0,5,1,4,0,9,9,0,6,3,9,4,0,3,7,6,6,7,1,8,4,9,5,8,4,3,3,4,0,7,3,8,4,7,1,0,0}
;int n;
char a[101];

int main()
{
 int j=0;
 short sum;
 f>>n;
 f.get();
 for(int i=1;i<=n;i++ )
 {
     f.getline(a,101);
     int nr=(a[strlen(a)-1]-'0')*10+(a[strlen(a)-2]);
     if(strlen(a)==1)g<<x[a[0]-'0']<<'\n';
     else
     if(strlen(a)==2)g<<x[nr]<<'\n';
     else g<<x[nr%100]<<'\n';
 }
    return 0;
}