import java.io.BufferedReader;
import java.io.IOException;
import java.io.StringReader;

public class CheckedDitangani {
    static String bacaBarisPertama() throws IOException {
        try (BufferedReader pembaca = new BufferedReader(new StringReader("satu\ndua"))) {
            return pembaca.readLine();
        }
    }

    public static void main(String[] args) {
        try {
            System.out.println("baris: " + bacaBarisPertama());
        } catch (IOException e) {
            System.out.println("gagal membaca: " + e.getClass().getSimpleName());
        }
    }
}