Calculate Max Diamonds - JAVA

package com.company;

import java.util.Scanner;


public class Problem {

    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        long a = sc.nextLong();
        long b = sc.nextLong();
        System.out.println(calculateMaxDiamonds(a, b));
    }

    public static long calculateMaxDiamonds(long a, long b){
        long result = -404;


        long  mini = Math.min(a, b);
        long  maxi = Math.max(a, b);

        if(2*mini < maxi){
            result = mini;
        }else{
            result = (a+b)/3;
        }
        return result;
    }

}