2164번-카드2

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

int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	queue<int> Q;
	int n;
	cin >> n;
	for (int i = 1; i <= n; i++) {
		Q.push(i);
	}
	while (Q.size() != 1) {
		Q.pop();
		Q.push(Q.front());
		Q.pop();
	}
	cout << Q.front();
}