import java.io.*;

class SumOfDigits

{

public static void main(String args[]) throws Exception

{

BufferedReader br= new BufferedReader(new InputStreamReader(System.in));

System.out.println("Enter the value to do the sum :");

int n = Integer.parseInt(br.readLine());

int sum = 0, k;

while (n != 0)

{

k = n % 10;

sum = sum + k;

n = n / 10;

}

System.out.print("\nSum of individual digits : " + sum);

}

}