#include <iostream>
using namespace std;

int main() {
	int n,num=2;
	cin >> n;
	cout << n << "=";
	while (n!=1)
	{
		if (n/num==1)
		{
			cout << num;
			break;
		}
		if (n%num==0)
		{
			cout << num<<"*";
			n /= num;
		}else
		{
			num++;
		}
	}
	return 0;
}