//#include <bits/stdc++.h> #include <iostream> #include <string> using namespace std; int main() { //freopen("a.in", "r", stdin); //freopen("b.out", "w", stdout); int n; int sum = 0; cin >> n; for (int i = 1; i < n/2; i++) { sum += i; for (int j = 1; j <= i; j++) { if (sum - 2 * j == n) { cout << j << " " << i << endl; } } } return 0; }