Sum of digits of a number

#include<stdio.h>
int main()
{
    int n, rem, sum=0;
    printf("Enter the number:");
    scanf("%d", &n);
    while (n!=0)
    {
        rem=n%10;
        sum=sum+rem;
        n=n/10;
    }
    printf("Sum of digits=%d", sum);
    return 0;
}