Code:
#include<conio.h>
#include<stdio.h>
void main(void)
{
int d1,d2,d3,d4,d5,sum;
long num;
printf("Enter a five digit number: ");
scanf("%ld",&num);
d1=(num%10);
d2=(num%100)/10;
d3=(num%1000)/100;
d4=(num%10000)/1000;
d5=(num/1000);
sum=d1+d2+d3+d4+d5;
printf("\n The sum of the digis is: %d",sum);
}