#include <iostream>
using namespace std;

int main() {
    int n;
    cin >> n;
    cout << n << "=";

    for (int i = 2; i <= n; i++) {
        while (n % i == 0) {
            cout << i;
            n = n / i;
            if (n != 1) {
                cout << "*";
            }
        }
    }
    cout << endl;
    return 0;
}