import java.util.Scanner;
import java.io.File;
import java.io.FileNotFoundException;

class Nov18 {
	public static void main(String[] args) {


		Scanner input = null;
	
		try {
			input = new Scanner(new File("students.txt"));

		}
		catch(FileNotFoundException e) {
			System.out.println("File not found");
			return;
		}

		input.useDelimiter(",|\n");

		int numStudents = input.nextInt();
		Student[] students = new Student[numStudents];

		int i = 0;
		while(input.hasNext()) {
			int id = input.nextInt();
			String lname = input.next();
			String fname = input.next();

			Student s = new Student(id, fname, lname);

			students[i++] = s;
		}	

		printStudents(students);	

	}

	public static void printStudents(Student[] arr) {
		for(Student s : arr) {
			System.out.println(s.toString());
		}
	}


}

// end of file