import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.IOException;

public class Main {
    public static void main(String[] args) {
        InputStreamReader inputStreamReader = new InputStreamReader(System.in);
        BufferedReader bufferedReader = new BufferedReader(inputStreamReader);

        try {
            System.out.printf("Input a number");
            int inputToInt = Integer.parseInt(BufferedReader.readLine());
        } catch (IOException e) {

        } catch (NumberFormatException e) {

        }
    }
}