#include <cstdlib> // exit
#include <iostream> // cin, cout, ios
#include <boost/multiprecision/cpp_int.hpp>
namespace mp = boost::multiprecision;
using bigint = mp::cpp_int;

void check(bigint n, bigint v) {
	bigint g = mp::gcd(v, n);
	if(g > 2 && g < n) {
		std::cout << "! " << g << " " << n / g << '\n';
		std::exit(0);
	}
}

int main() {
	bigint n, r;
    std::cin >> n;
    check(n, 3);
    for(bigint a = 2;; a += 1) {
    	check(n, a);
	    std::cout << "? " << a << '\n';
	    std::cin >> r;
		if((r & 1) == 0) {
			r >>= 1;
		}
		for(bigint b = 0; b < 99; b += 1) {
			check(n, mp::powm(a + b, r, n) - 1);
		}
    }
}