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#include <bits/stdc++.h>
#define endl "\n"
#define rep(i, a, b) for (int i = (int)(a); i < (int)(b); i++)
#define fi first
#define se second
using namespace std;
typedef long long ll;
typedef long double ld;
 
ld slove(ld n) {
	if (n == (ld)0) return 0;
	ld denta = n*n - 4*n;
	if (denta < (ld)0) return 0;
	if (denta == (ld)0) return n/(ld)2;
	ld arr[4];
	arr[0] = (n - sqrt(denta)) / (ld)2;
	arr[1] = (n + sqrt(denta)) / (ld)2;
	arr[2] = (arr[0] == (ld)0) ? -1 : n/arr[0];
	arr[3] = (arr[1] == (ld)0) ? -1 : n/arr[1];
	sort(arr, arr+4);
	rep(i, 0, 4) if (arr[i] > (ld)0) return arr[i];
	return 0;
}
 
int main(){
    	#ifdef ONLINE_JUDGE
			SPEED
		#endif
		#ifndef ONLINE_JUDGE
			//freopen("in.cpp", "r", stdin);
			freopen("out.cpp", "wt", stdout);
		#endif
	}
	{/*-----Code-----*/}
	cout << fixed << setprecision(15);
	//vector<ld> ans;
	ld n;
	cin >> n;
	deque<ld> ans;
	ans.push_back(n);
	for (int i = 0; i < ans.size(); i++) {
		ld tmp = slove(ans[i]);
		if (tmp == (ld)0) continue;
		ans.push_back(tmp);
		ans.push_back(ans[i]-tmp);
		ans.erase(ans.begin()+i);
		i--;
	}
	sort(ans.begin(), ans.end());
	for (ld i:ans) cout << i << endl;;
	return 0;
}
 

prog.cpp: In function ‘int main()’:
prog.cpp:27:4: error: ‘SPEED’ was not declared in this scope
    SPEED
    ^~~~~
prog.cpp: At global scope:
prog.cpp:34:2: error: expected unqualified-id before ‘{’ token
  {/*-----Code-----*/}
  ^
prog.cpp:35:2: error: ‘cout’ does not name a type; did you mean ‘cosl’?
  cout << fixed << setprecision(15);
  ^~~~
  cosl
prog.cpp:38:2: error: ‘cin’ does not name a type; did you mean ‘sin’?
  cin >> n;
  ^~~
  sin
prog.cpp:40:2: error: ‘ans’ does not name a type
  ans.push_back(n);
  ^~~
prog.cpp:41:2: error: expected unqualified-id before ‘for’
  for (int i = 0; i < ans.size(); i++) {
  ^~~
prog.cpp:41:18: error: ‘i’ does not name a type
  for (int i = 0; i < ans.size(); i++) {
                  ^
prog.cpp:41:34: error: ‘i’ does not name a type
  for (int i = 0; i < ans.size(); i++) {
                                  ^
prog.cpp:49:6: error: expected constructor, destructor, or type conversion before ‘(’ token
  sort(ans.begin(), ans.end());
      ^
prog.cpp:50:2: error: expected unqualified-id before ‘for’
  for (ld i:ans) cout << i << endl;;
  ^~~
prog.cpp:51:2: error: expected unqualified-id before ‘return’
  return 0;
  ^~~~~~
prog.cpp:52:1: error: expected declaration before ‘}’ token
 }
 ^

Standard output is empty