Write a C Program to print sum of all digits in a number

PROGRAM: Write a C Program to print sum of all digits in a number

#include<stdio.h>
main()
{
int dummy,n,sum=0,x;
printf("Enter a number\n");
scanf("%d",&n);
dummy=n;
while(n>0)
{
x=n%10;
sum=sum+x;
n=n/10;

}
printf("The sum of all digits in %d is %d\n",dummy,sum);

}

OUTPUT:-

Enter a number
673
The sum of all digits in 673 is 16