Write a program to find the sum of the digits of a integer constant.

 Practical 3

#include<iostream.h>
#include<conio.h>
int main()
{
int num,sum=0;
cout<<"Enter an integer:";
cin>>num;

while(num!=0)
{
sum+=num%10;
num=num/10;

}

cout<<sum;

return 0;
}


output :
enter an integer :151
7