#include <iostream>
#include <numeric>
#include <string>
constexpr int N = 1E5, MAX = 1E6;
bool F[N + 1], B[N + 1];
int main()
{
	std::ios_base::sync_with_stdio(false), std::cin.tie(nullptr);
	int c, d; std::cin >> c >> d;
	int a = 0, b = 0, ab = 0;
	for (int i = c; i <= d; ++i)
	{
		std::string s; std::cin >> s;
		if (s == "Fizz")
			F[i] = true, a = std::gcd(a, i);
		else if (s == "Buzz")
			B[i] = true, b = std::gcd(b, i);
		else if (s == "FizzBuzz")
			F[i] = B[i] = true, ab = std::gcd(ab, i);
	}
	if (!ab)
	{
		std::cout << (a ? a : MAX) << " " << (b ? b : MAX) << "\n";
		return 0;
	}
	auto check = [c, d](int a, int b) {
		for (int i = c; i <= d; ++i)
			if (!(i % a) != F[i])
				return false;
		for (int i = c; i <= d; ++i)
			if (!(i % b) != B[i])
				return false;
		return true;
	};
	for (int i = 1; i * i <= ab; ++i)
		if (!(ab % i))
		{
			int j = ab / i;
			if (check(i, j))
			{
				std::cout << i << " " << j << "\n";
				return 0;
			}
			if (check(j, i))
			{
				std::cout << j << " " << i << "\n";
				return 0;
			}
		}
}