A program to find and print sum of individual digits of a given number

#include <stdio.h>
 
void main()
{
    int n, l = 0, sum = 0;
    printf("Enter a number: ");
    scanf("%d", &n);
 
    printf("Sum of individual digits of %d is ", n);
 
    while (n > 0)
    {
        l = n % 10;
        sum = sum + l;
        n = n / 10;
    }
 
    printf("%d", sum);
    printf("\n");
}