import java.io.BufferedReader;
import java.io.InputStreamReader;
 
class Main
{
	public static void main (String[] args) throws java.lang.Exception
	{
		BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(System.in));
        String[] params1 = bufferedReader.readLine().split(" ");
        long numb, divisor = 2;
        numb = Integer.parseInt(params1[0]);
        while (divisor*divisor <= numb)
        {
            if (numb%divisor == 0)
            {
                System.out.print(divisor);
                numb = numb / divisor;
                System.out.print('*');
            }
            else if (divisor == 2) divisor = 3;
            else divisor = divisor + 2;
        }
        System.out.print(numb);
	}
}