红名求助红题

#include <bits/stdc++.h>
#define Write ios::sync_with_stdio(0);
#define by cin.tie(0);
#define AquaDaMean1e cout.tie(0);
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
const int N = 1e5 + 10;
const int MOD = 998244353;
int n;
int main() {
	Write by AquaDaMean1e
	cin >> n;
	cout << sqrt(2 * n - 1) << " " << n - 1;
	return 0;
}