include <stdio.h>

int main() {

int a, s, d, f, g = 0;
scanf("%d", &a);
printf("%d=", a);

for (s = 2; s < a;) {

	if (a % s == 0) {
		printf("%d*", s);
		a = a / s;
	} else {
		s++;
	}
}

printf("%d", a);
return 0;

}