[백준 ] 대회 or 인턴 (2875 번)

import java.io.BufferedReader
import java.io.InputStreamReader
import java.lang.Integer.min

fun main() = with(BufferedReader(InputStreamReader(System.`in`))) {
    val (n, m, k) = readLine().split(" ").map { it.toInt() }
    var team: Int = min(n/2, m)

    var intern = (n+m) - team * 3
    while (intern < k) {
        intern += 3
        team-=1
    }

    println(team)
}