#include <stdio.h>

int main(){
	int num, n=2, first = 1;
	scanf("%d", &num);
	
	printf("%d=",num);
	while(num > 1){
		if(num%n==0){
			first?printf("%d", n):printf("*%d", n);
			first=0;
			num/=n;
		}else{
			n++;
		}
	}

	return 0;
}