#include<stdio.h>
main()
{
int sum,rem,no;
printf("enter a five digit number ");
scanf("%d",&no);
sum=0,rem=0;
if(no==0)
printf("%d",no);
while(no!=0)
{
rem = no %10;
sum = sum+rem;
no = no/10;
}
printf("Sum is %d",sum);
}
OUTPUT:
enter a five digit number 12345
Sum is 15