Sum of digits in a number

#include<stdio.h>
main()
{
    int num,n,sum=0,x;
    printf("Enter a number\n");
    scanf("%d",&n);
    num=n;
    while(n>0)
    {
        x=n%10;
        sum=sum+x;
        n=n/10;
    }
    printf("The sum of all digits in %d is %d\n",num,sum);
}

     

           

Note: Need to be arranged in compiler after copied

   

 OutPut:

Enter a number 123 The sum of all digits in 123 is 6