import java.util.*;
import java.lang.*;

class Main
{
	public static void main (String[] args) throws java.lang.Exception
	{
        int num1=5;
        int num2=4;
        Integer n = 4;
        System.out.println(n);
        
        String numCadena= Integer.toString(num1);
        String numCadena2= Integer.toString(num2);
        System.out.println(numCadena + numCadena2);
	}
}