import java.util.*;

public class Test39{
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int Xp = sc.nextInt();
		int Yp = sc.nextInt();
		int D = (Xp*Xp)+(Yp*Yp);
		int i = 1;
		
		if(Xp == Yp){
			if(Xp != 0){
				while(D>i*i){
					i++;
				}
				System.out.println(2*i);
			}else{
				System.out.println("1");
			}
		}else{
			while(D>i*i){
				i++;
			}
			System.out.println((2*i)+1);
		}
    }
}