#include <stdio.h>


int main(void){

    printf("C: 1 <= C <= 10^10\n");
    int c ;
    scanf("%d",&c);
    for(int i = 2; i < c; i++){
        int number = c % i;
        if(number == 0){
            printf("%d * %d \n",i,c/i);
            break;
        }
        
    }


}