// 2020/4/25(土)

import java.io.*;

public class ExceptionTest {
    public static void main(String[] args) {
        FileReader fr = null;
        BufferedReader br = null;
        String line = null;
        try(fr = new FileReader("matrixA.txt");
        br = new BufferedReader(fr);) {
            while((line = br.readLine()) != null) {
                System.out.println(line);
            }
        } catch(FileNotFoundException e1) {
            e1.printStackTrace();
        } catch(IOException e2) {
            e2.printStackTrace();
        }
    }
}