Calculate Max Diamonds - KOTLIN

package com.company

import java.util.*

fun main() {
    val sc = Scanner(System.`in`)
    val a = sc.nextLong()
    val b = sc.nextLong()
    println(calculateMaxDiamonds(a, b))
}

fun calculateMaxDiamonds(a: Long, b: Long): Long {
    val result: Long
    val mini = Math.min(a, b)
    val maxi = Math.max(a, b)
    result = if (2 * mini < maxi) {
        mini
    } else {
        (a + b) / 3
    }
    return result
}