include<bits/stdc++.h>

using namespace std; int main(){

int n;
cin>>n;
cout<<n<<"=";
int j = 0;
for(int i = 2;i<=n;i++)
{
	while(n%i==0)
	{
		
		if(j == 0)
		{
			cout<<i;
			n=n/i;
			j=1;
		}
		else if(j == 1)
		{
			cout<<"*"<<i;
			n=n/i;
		}
	}
	
}
return 0;

}