#include<stdio.h>

int main(){
int year;
year = 2021;
printf("HELLO, WORLD!", year);
return 0;
}

#include<stdio.h>

int main(){
int year;
year = 2021;
printf("HELLO, WORLD!\n", year);
return 0;
}

#include <iostream>

int main()
{
    std::cout << "Hello World" << std::endl;
}

#include <iostream>
using namespace std;

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

main = putStrLn "Hello, World"

main = putStrLn "Hello, World"

print("hello world!")

print("hello world")

<?php
    echo "Hello, world!";
?>

hello, world

print "Hello world!";

print("hello world")

print "hello world"

puts "hello world"

puts('Hello World')

(display "Hello world!")

(display "Hello world!")