Untitled

#include <bits/stdc++.h>
using namespace std;

int main(int argc, char **argv) {
	

	ifstream fin("input.txt");
	ofstream fifo_in(argv[1]);
	ifstream fifo_out(argv[2]);

	int a, b, res;
	fin >> a >> b;
	fifo_in << a << ' ' << b << '\n';
	fifo_in.flush();
	fifo_out >> res;

	if (a+b == res) {
		cerr << "A-ha, you're the best adding program I've ever met!\n";
		cout << 1 << '\n';
	} else {
		cerr << "How dreadful, never met anyone as dumb as you...\n";
		cout << 0 << '\n';
	}

	fin.close();
	fifo_in.close();
	fifo_out.close();

}