Submission #3782185

Source Code Expand

import	java.util.*;

class	 main{
	public	static	void	main(String[]	args){
		
		Scanner	sc	=new	Scanner(System.in);
		String	s	=sc.next();
		s	=s.replaceAll("0","");
		System.out.println(s.length());
	}
}

Submission Info