#include <iostream>
using namespace std;

// This is a comment

/* This is a multi-line comment.
   You can add some helpful text here. */

printf("Hello World \n");
std::cout << "Hello World!";

int number; // 2 or 4 bytes. ex: -n, 0, n
float storeCount; // 4 bytes. ex: -0.3, 0, 0.0193
double pi; // 8 bytes. ex: -0.01242324, 0, 0.01234232 
char letter; // 1 byte. ex: 'a', 'z'
string text; // ex: "Hello"
bool isValid; // 1 byte. ex: true or false

const int pi = 3.14;

int myNum = 15;

int myNum2;
myNum2 = 15;

cout << true; // 1
cout << false; // 0

float num1 = 35e5; // This means 3500000 or 35 * 10^5
double num2 = 35E5;

j + k
j - k
j * k
j / k
j % k
++j
--k

j += 5;
j -= 2;
j *= 4;
j /= 9;

int main() {
    std::cout << "Hello World!";
    return 0; // Ends the main function
}