#include <iostream>

using namespace std;

void Function1(int y);
void Function2(int x);  // definition 1
void Function3();

int x = 5;   // definition 2

int main()  {
    cout << "At point 1 x = " << x << endl;

    float x = 3.1415;   // definition 3

    cout << "At point 2 x = " << x << endl;

    {
        cout << "At point 3 x = " << x << endl;
        string x ="hello world";  // definition 4
        cout << "At point 4 x = " << x << endl;
    }

    cout << "At point 5 x = " << x << endl;

    Function1(3);
    Function2(-99);
    Function3();

    return 0;
}

void Function1(int y){
   bool x = true;  // definition 5

    cout << "At point 6 x = " << x << endl;
    return;
}

void Function2(int x) {
    cout << "At point 7 x = " << x << endl;

    return;
}

void Function3(void) {
    cout << "At point 8 x = " << x << endl;

    return;
}