import java.io.*;

public class Member {
    private String name;
    private String number;
    private int age;
    public Member(String number, String name, int age) {
        this.name = name;
        this.number = number;
        this.age = age;
    }

    @Override
    public String toString() {
        return String.format("(%s, %s, %d)",number, name, age);
    }
    public void save() throws IOException {
        try(DataOutputStream output = new DataOutputStream(new FileOutputStream(number))) {
            output.writeUTF(number);
            output.writeUTF(name);
            output.writeInt(age);
        }
    }

    public static Member load(String number) throws IOException {
        Member member;
        try(DataInputStream input = new DataInputStream(new FileInputStream(number))) {
            member = new Member(input.readUTF(), input.readUTF(), input.readInt());
        }
        return member;
    }
}