[Java]백준 11382번: 입출력과 사칙연산 단계 - 꼬마 장인

1. BufferedReader 사용

import java.io.*;
import java.util.*;

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());
        long A = Long.parseLong(st.nextToken());
        long B = Long.parseLong(st.nextToken());
        long C = Long.parseLong(st.nextToken());
        System.out.print(A + B + C);
    }
}