#include<stdio.h>

int main (){ 
	int num;
	printf("welcome to word of factorial ");
	printf("\n please enter number: ");
	scanf("%d",&num); 
int sum=0;
int copy=num; 
while(num>0){
	sum+=num%10;
	num/=10;


} 
printf("\n the factorial of %d is %d ",copy,sum  );
  
  return 0;
}