Write a program to find sum of digits in a given number

#include<stdio.h>

#include<conio.h>

void main()

{

int n,sum=0,digit;

clrscr();

printf("enter the number: ");

scanf("%d",&n);

while(n!=0)

{

digit=n%10;

sum=sum+digit;

n=n/10;

}

printf("Sum of digits=%d",sum);

getch();

}

Output:

enter the number: 456

Sum of digits=15