#include <iostream>
#include <fstream>
#include <cstdio>
#include <string>
using namespace std;
char ttt[100];
int T,N;
ifstream fin("cifra.in");
ofstream fout("cifra.out");

int cif[100] = {1,5,2,8,3,9,2,8,7,7,8,4,7,3,8,4,1,5,4,4,5,9,6,2,7,3,6,2,1,1,2,8,1,7,2,8,5,9,8,8,9,3,0,6,1,7,0,6,5,5,6,2,5,1,6,2,9,3,2,2,3,7,4,0,5,1,4,0,9,9,0,6,9,5,0,6,3,7,6,6,7,1,8,4,9,5,8,4,3,3,4,0,3,9,4,0,7,1,0,0};

int main() {
	int i,res,p;
	fin >> T;
	for (;T;T--) {
		memset(ttt,0,sizeof(ttt));
		fin.getline(ttt,100);
		res = 0;
		p = ttt[strlen(ttt)-1] - '0';
		if (strlen(ttt) > 1) p = (ttt[strlen(ttt)-2] - '0') * 10 + p;
		res = cif[p-1];
		fout << res << endl;
	}
	fin.close();
	fout.close();
	return 0;
}