Q.22

#include <iostream>
#include <algorithm>
using namespace std;


void solve(long long n) {
    for (long long a = 1; a * a <= n; a++) {
        long long b = n - a * a;
        long long t = sqrt(b);
        if (t * t == b && b >= 0 && t >= a) {
            cout << a << ' ' << t << "\n";
        }
    }
}

int main()
{
    long long n;
    cin >> n;
    solve(n);
    return 0;
}