Before "Main", ¿What I write?

Question

HELPPPPP!!!

Answer 1

#include <iostream>
using namespace std;

int main()
{

return 0;
}

That's a simple program.
I do not understand your question.

Answer 2

u write return type before ur main for example int main, void main

Answer 3

It's return type, where main will always have an integer return type, "int".