#include <iostream>
#include <cstdio>
#include <cstring>
#include <sstream>
#include <algorithm>
#include <math.h>
#include <map>
#include <functional>
#include <iomanip>
#include <vector>
#include <queue>
#include <stack>
#include <set>
#include <typeinfo>
#define PI 3.14159265359
#define INF 99999999
#define rep(i, n) for(int i=0; i<n; i++)
#define REP(n) rep(i, n)
#define pb push_back
#define mp make_pair
#define int long long
typedef long long ll;
using namespace std;
typedef pair<int, int> P;

int X;
int Z2;

signed main()
{
	cin >> X;

	for (int i=1; i<=1000000000000; i++)
	{
		Z2 = i * i;
		if (Z2 % X == 0)
		{
			cout << Z2 / X << endl;
			break;
		}
	}
	
	return 0;
}