백준 25628 햄버거 만들기

https://www.acmicpc.net/problem/25628

25628번: 햄버거 만들기

public class Main {
    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

        StringTokenizer st = new StringTokenizer(br.readLine());
        int a = Integer.parseInt(st.nextToken());
        int b = Integer.parseInt(st.nextToken());

        if (a >= b * 2) {
            System.out.println(b);
        } else {
            System.out.println(a / 2);
        }
    }
}