// my first program in C++

#include <iostream>
using namespace std;

int main ()
{
  cout << "Hello World!";
  return 0;
}

// my second program using variables

#include <iostream>
using namespace std;

int main ()
{
    //telling variables
    int a,b;
    int result;
   
    //variable values and process
    a = 5;
    b = 2;
    a = a + 1;
    result = a - b;
   
    //show the result
    cout<< result;
   
    //turn off the program function
    return 0;
}

// my first program in C++

#include <iostream>
#include <stdlib.h> // Used for system commands like pause
using namespace std;

int main ()
{
  cout << "Hello World!";
  system("pause");    // Pauses the console screen.
  return 0;
}