#include "testlib.h"
#include <iostream>
#include <vector>

using namespace std;
using ll = long long;

const int D=60;
const ll MIN_N=1;
const ll MAX_N=100'000;
const ll MIN_B=0;
const ll MAX_B=(1ll<<D)-1;
const ll MIN_C=0;
const ll MAX_C=(1ll<<D)-1;
int main() {
	registerValidation();

	inf.readLong(MIN_N,MAX_N,"N");
	inf.readSpace();
	inf.readLong(MIN_B,MAX_B,"B");
	inf.readSpace();
	inf.readLong(MIN_C,MAX_C,"C");

	inf.readEoln();
	
	inf.readEof();
	cout<<"-1\n";
	return 0;
}