[백준] 14215번 세 막대

import java.util.*;
public class Main {

	public static void main(String[] args) {
		Scanner kb = new Scanner(System.in);
		ArrayList<Integer> list = new ArrayList<>();
		
		for(int i=0; i<3; i++) {
			list.add(kb.nextInt());
		}
		
		Collections.sort(list);
		
		if(list.get(0)+ list.get(1)>list.get(2)) {
			System.out.println(list.get(0)+ list.get(1)+ list.get(2));
		}else {
			System.out.println((list.get(0)+ list.get(1))*2-1);
		}
		

	}
}