#include<iostream>
using namespace std;

int incrementing(int x) {
	x += 1;
	return x;
}

int disincrementing(int x) {
	x -= 1;
	return x;
}

int main() {
	int n = 0, m = 0, i = 3, j = 3;

	cout << "At the beginning:\n";
	cout << "i = " << i << "\n";
	cout << "j = " << j << "\n";

	cout << "After command n=i++ :\n";
	n = incrementing(i);// Теперь n=3, а i=4
	cout << "n = " << n << "\n";
	cout << "i = " << i << "\n";

	cout << " After command m=++j :\n";
	m = incrementing(j);// Значение переменных m=4 и j=4
	cout << "m = " << m << "\n";
	cout << "j = " << j << "\n";

	cout << " After command n=(--i)*(i--) :\n";
	n = (disincrementing(i)) * (disincrementing(i));// Теперь n=9, а i=2
	cout << "n = " << n << "\n";
	cout << "i = " << i << "\n";

	cout << " After command m=(--j)*(--j) :\n";
	m = (disincrementing(i)) * (disincrementing(i));// Теперь m=4, а j=2 , но результат m = 6, a j = 2
	cout << "m = " << m << "\n";
	cout << "j = " << j << "\n";

	cout << " After command n=(--i)*(i++) :\n";
	n = (disincrementing(i)) * (incrementing(i));// Теперь n=1, а i=2
	cout << "n = " << n << "\n";
	cout << "i = " << i << "\n";

	cout << " After command m=(j--)*(++j) :\n";
	m = (disincrementing(j)) * (incrementing(j));// Теперь m=9, а j=2, но результат m = 9, a j = 2
	cout << "m = " << m << "\n";
	cout << "j = " << j << "\n";

	cout << " After command n=(--i)*(++i) :\n";
	n = (disincrementing(i)) * (incrementing(i));// Теперь n=4, а i=2, но результат n = 2, a i = 2
	cout << "n = " << n << "\n";
	cout << "i = " << i << "\n";

	return 0;
}