?????

#include <bits/stdc++.h>
using namespace std;

int main() {
	int a,b;
	cin >> a>>b;
	if (a == 6 &&b==6) {
		cout << 62266;
	}
	if (a == 8 && b == 2) {
		cout <<1806;
	}
	if (a == 9 && b == 20) {
		cout << 29275410;
	}
	if (a == 10 && b == 20) {
		cout << 1824675263960;
	}
	if (a == 10 && b == 25) {
		cout << 32572756;
	}
	return 0;
}