import java.math.*;
import java.util.*;

// https://speakerdeck.com/gyudon/shorfalsearugorizumu?slide=7

class Main{
	static boolean end(BigInteger r,BigInteger n){
		var gcd=r.gcd(n);
		if(!gcd.equals(BigInteger.ONE)){
			System.out.println("! "+gcd+" "+n.divide(gcd));
			return true;
		}
		return false;
	}

	public static void main(String[] $){
		var s=new Scanner(System.in);
		var n=s.nextBigInteger();

		System.out.println("? 2");

		var r=s.nextBigInteger().divide(BigInteger.TWO);
		if(end(BigInteger.TWO.modPow(r,BigInteger.TWO.pow(1024)).add(BigInteger.ONE),n))
			return;
		end(BigInteger.TWO.modPow(r,BigInteger.TWO.pow(1024)).subtract(BigInteger.ONE),n);
	}
}