백준 18408 자바 - 3 つの整数 (Three Integers)

// 3 つの整数 (Three Integers)
package Bronze_IV_4;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.StringTokenizer;

public class Ex18408 {
    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());
        int c = Integer.parseInt(st.nextToken());

        if (a == b || a == c) {
            System.out.println(a);
        } else {
            System.out.println(b);
        }
    }
}