#include <iostream>
#include <fstream>
#include <cstring>
using namespace std;
int main()
{
ifstream in ("cifra.in");
ofstream out ("cifra.out");
int n,p,t,s;
int uc[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};
char nr[102];
in>>t;
for(int i=1;i<=t;i++){
in>>nr;
p=strlen(nr);
if (p>1) n=(nr[p-2]-48)*10+(nr[p-1]-48);
else n=nr[p-1]-48;
s=0;
out<<uc[n%100]<<endl;
}
return 0;
}