main.cpp

#include <iostream>

using namespace std;

class PhanSo {
public:
	int tu, mau;
	PhanSo() {
		tu = 0;
		mau = 1;
	}
	PhanSo(int _tu, int _mau) {
		tu = _tu;
		mau = _mau;
		if (mau == 0 && (tu = 0) && (mau = 1));
	}

	int getUCLN() {
		int a = tu,
			b = mau,
			r = a % b;
		while (r > 0) {
			a = b;
			b = r;
			r = a % b;
		}
		return b;
	}

	void rutGon() {
		int ucln = getUCLN();
		tu /= ucln;
		mau /= ucln;
	}

	PhanSo operator+ (const PhanSo& A) {
		PhanSo tmp;
		tmp.tu = tu*A.mau + mau*A.tu;
		tmp.mau = mau*A.mau;
		tmp.rutGon();
		return tmp;
	}
};

void main() {
	freopen("INPUT.txt", "r", stdin);
	freopen("OUTPUT.txt", "w", stdout);

	//source
	PhanSo Tong(0, 1);
	PhanSo Chay(0, 1);
	while (!feof(stdin)) {
		cin >> Chay.tu >> Chay.mau;
		Tong = Tong + Chay;
	}
	cout << Tong.tu << " " << Tong.mau;

	fclose(stdin);
	fclose(stdout);
}