#include <fstream>
#include <cstring>
#include <iostream>

using namespace std;

int cifre[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 numar[101];

int main(void) {
	int t;
	ifstream fin("cifra.in");
	ofstream fout("cifra.out");
	
	fin >> t; fin.ignore();
	for(int i = 0; i < t; ++i) {
		fin.getline(numar, 101);
		int s = strlen(numar);
		if(s == 1)
			fout << cifre[numar[s - 1] - '0'] << '\n';
		else
			fout << cifre[(numar[s - 2] - '0') * 10 + numar[s - 1] - '0'] << '\n';
	}
	fin.close();
	fout.close();
}