https://www.e-olymp.com/az/problems/842

/*
    Author: Kanan Asgarli
    https://www.e-olymp.com/az/problems/842
*/
#include <iostream>
#include <cmath>
using namespace std;
int n, f;
int main()
{
    cin>>n;
    for(int i = 2; i <= (int)sqrt(n); i++)
        while( n % i == 0 ){
            if( f == 0 )
                cout<<i;
            else
                cout<<"*"<<i;
            n = n / i;
            f = 1;
        }
    if( n > 1 ){
        if( f == 0 )
            cout<<n;
        else
            cout<<"*"<<n;
        }
    cout<<endl;

    return 0;
}