#include <iostream>
#include <cstdlib>
using namespace std;

int main()
{
	//The left - is executed first.
	//because - has left-to-right associativity.
	cout << 1 - 2 - 3 << "\n";     //Outputs -4.

	int i {10};
	int j {20};
	int k {30};

	cout << i;

	//The left << is executed first
	//because << has left-to-right associativity.
	cout << i << "\n";
	cout << i << " " << j << "\n";
	cout << i << " " << j << " " << k << "\n";

	cin >> i;

	//The left >> is executed first
	//because >> has left-to-right associativity.
	cin >> i >> j;
	cin >> i >> j >> k;

	i = 40;

	//The right = is executed first
	//because = has right-to-left associativity.
	j = i = 40;         //Put 40 into i and then into j.
	k = j = i = 50;     //Put 50 into i and then into j and then into k.

	return EXIT_SUCCESS;
}