Sum of digits Program in C

WAP to find the sum of digits of the entered number.

#include<stdio.h>
void main()
{
	int n,r,sumDigits=0;
	printf("Enter number=");	
	scanf("%d",&n);
	while(n>0)
	{
		r=n%10;
		sumDigits=sumDigits+r;
		n=n/10;	
	}
	printf("Sum of Digits=%d",sumDigits);		
}


Output:

Enter number=12345
Sum of Digits=15
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