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

int getShortSize(const short& number)
{
	int size = 0;
	int num = number;
	while (abs(num) > 0)
	{
		size++;
		num /= 10;
	}
	return size;
}

class Pair
{
	long int* left;
	short int* right;

	unsigned int nZeros;
public:
	Pair(long int A = 0, short int B = 0) : left(new long int(A)), right(new short int(B)), nZeros(0) {}
	Pair(const Pair& other)
	{
		nZeros = other.nZeros;
		left = new long int;
		*left = *other.left;
		right = new short int;
		*right = *other.right;
	}
	~Pair() { delete left, right; }

	Pair& operator=(const Pair& other)
	{
		nZeros = other.nZeros;
		*left = *other.left;
		*right = *other.right;
		return *this;
	}
	Pair operator+(const Pair& other)
	{
		Pair tmp;
		short int tRightF, tRightS;

		tmp.left = new long int;
		tmp.right = new short int;

		if (getShortSize(*right) < getShortSize(*other.right))
		{
			tRightF = *right * pow(10, abs((getShortSize(*right) - getShortSize(*other.right))));
			tRightS = *other.right;
		}
		else if (getShortSize(*right) > getShortSize(*other.right))
		{
			tRightF = *right;
			tRightS = *other.right * pow(10, (getShortSize(*right) - getShortSize(*other.right)));
		}

		*tmp.left = *left + *other.left;

		*tmp.right = tRightF + tRightS;

		if (getShortSize(*tmp.right) > getShortSize(tRightF))
		{
			int power = getShortSize(tRightS);
			*tmp.left += *tmp.right / pow(10, power);
			*tmp.right = *tmp.right % int(pow(10, power));
		}

		tRightF = *tmp.right;
		while (tRightF != 0 && tRightF < pow(10, getShortSize(tRightS) - 1))
		{
			tmp.nZeros++;
			tRightF *= 10;
		}

		while (tRightF != 0 && *tmp.right % 10 == 0)
			*tmp.right /= 10;

		return tmp;
	}

	Pair operator-(const Pair& other)
	{
		Pair tmp;
		short int tRightF, tRightS;
		tmp.left = new long int;
		tmp.right = new short int;

		if (getShortSize(*right) < getShortSize(*other.right))
		{
			tRightF = *right * pow(10, abs((getShortSize(*right) - getShortSize(*other.right))));
			tRightS = *other.right;
		}
		else if (getShortSize(*right) > getShortSize(*other.right))
		{
			tRightF = *right;
			tRightS = *other.right * pow(10, (getShortSize(*right) - getShortSize(*other.right)));
		}

		if (other > * this)
		{
			*tmp.left = *other.left + *left;
			swap(tRightS, tRightF);
			if (tRightF >= tRightS)
			{
				*tmp.right = tRightF - tRightS;
			}
			else
			{
				*tmp.right = tRightF + 1000 - tRightS;
				*tmp.left -= 1;
			}

			tRightF = *tmp.right;
			while (tRightF != 0 && tRightF < pow(10, getShortSize(tRightS) - 1))
			{
				tmp.nZeros++;
				tRightF *= 10;
			}

			while (tRightF != 0 && *tmp.right % 10 == 0)
				*tmp.right /= 10;

			*tmp.left *= -1;
		}
		else
		{
			*tmp.left = *left + *other.left;
			if (tRightF >= tRightS)
			{
				*tmp.right = tRightF - tRightS;
			}
			else
			{
				*tmp.right = tRightF + 1000 - tRightS;
				*tmp.left -= 1;
			}

			tRightF = *tmp.right;
			while (tRightF != 0 && tRightF < pow(10, getShortSize(tRightS) - 1))
			{
				tmp.nZeros++;
				tRightF *= 10;
			}

			while (tRightF != 0 && *tmp.right % 10 == 0)
				*tmp.right /= 10;
		}
		return tmp;
	}

	Pair& operator *=(const int& multiplier)
	{
		*left *= multiplier;
		*right *= multiplier;
		return *this;
	}

	string toString()
	{
		string zeros;
		for (int i = 0; i < nZeros; i++)
			zeros += to_string(0);
		return string(to_string(*left) + '.' + zeros + to_string(*right));
	}

	friend ostream& operator<< (ostream&, const Pair&);
	friend istream& operator>> (istream&, Pair&);
	friend bool operator>= (const Pair& my, const Pair& other);
	friend bool operator<= (const Pair& my, const Pair& other);
	friend bool operator== (const Pair& my, const Pair& other);
	friend bool operator!= (const Pair& my, const Pair& other);
	friend bool operator> (const Pair& my, const Pair& other);
	friend bool operator< (const Pair& my, const Pair& other);
};
ostream& operator<< (ostream& out, const Pair& c)
{
	out << "Число : " << to_string(*c.left) + "." + to_string(*c.right);
	return out;
}
istream& operator >> (istream& in, Pair& c)
{
	cout << "Целая часть";
	in >> *c.left;
	cout << "Дробная часть";
	in >> *c.right;
	return in;
}

bool operator>= (const Pair& my, const Pair& other)
{
	if (*my.left >= *other.left)
		return true;
	else if (*my.left == *other.left)
	{
		short int fRight = *my.right;
		short int sRight = *other.right;

		int power = int(pow(10, abs(getShortSize(*my.right) - getShortSize(*other.right))));
		if (getShortSize(fRight) <= getShortSize(sRight))
		{
			if (*my.right * power < *other.right)
				return false;
			else if (*my.right * power == *other.right)
			{
				if (my.nZeros >= other.nZeros)
					return false;
				else
					return true;
			}
			else
				return true;
		}
		else
		{
			if (*my.right < *other.right * power)
				return false;
			else if (*my.right == *other.right * power)
			{
				if (my.nZeros >= other.nZeros)
					return false;
				else
					return true;
			}
			else
				return true;
		}
	}
	else
		return false;
}
bool operator<= (const Pair& my, const Pair& other)
{
	if (*my.left <= *other.left)
		return true;
	else if (*my.left == *other.left)
	{
		short int fRight = *my.right;
		short int sRight = *other.right;

		int power = int(pow(10, abs(getShortSize(*my.right) - getShortSize(*other.right))));
		if (getShortSize(fRight) <= getShortSize(sRight))
		{
			if (*my.right * power < *other.right)
				return false;
			else if (*my.right * power == *other.right)
			{
				if (my.nZeros < other.nZeros)
					return false;
				else
					return true;
			}
			else
				return true;
		}
		else
		{
			if (*my.right < *other.right * power)
				return false;
			else if (*my.right == *other.right * power)
			{
				if (my.nZeros < other.nZeros)
					return false;
				else
					return true;
			}
			else
				return true;
		}
	}
	else
		return false;
}
bool operator== (const Pair& my, const Pair& other)
{
	if (*my.left != *other.left)
		return false;
	else
		if (*my.right != *other.right)
			return false;
		else
			if (my.nZeros != other.nZeros)
				return false;
	return true;
}
bool operator!= (const Pair& my, const Pair& other)
{
	if (*my.left == *other.left)
		return false;
	else
		if (*my.right == *other.right)
			return false;
		else
			if (my.nZeros == other.nZeros)
				return false;
	return true;
}
bool operator> (const Pair& my, const Pair& other)
{
	if (*my.left > * other.left)
		return true;
	else if (*my.left == *other.left)
	{
		short int fRight = *my.right;
		short int sRight = *other.right;

		int power = int(pow(10, abs(getShortSize(*my.right) - getShortSize(*other.right))));
		if (getShortSize(fRight) <= getShortSize(sRight))
		{
			if (*my.right * power < *other.right)
				return false;
			else if (*my.right * power == *other.right)
			{
				if (my.nZeros > other.nZeros)
					return false;
				else
					return true;
			}
			else
				return true;
		}
		else
		{
			if (*my.right < *other.right * power)
				return false;
			else if (*my.right == *other.right * power)
			{
				if (my.nZeros > other.nZeros)
					return false;
				else
					return true;
			}
			else
				return true;
		}
	}
	else
		return false;
}
bool operator< (const Pair& my, const Pair& other)
{
	if (*my.left < *other.left)
		return true;
	else if (*my.left == *other.left)
	{
		short int fRight = *my.right;
		short int sRight = *other.right;

		int power = int(pow(10, abs(getShortSize(*my.right) - getShortSize(*other.right))));
		if (getShortSize(fRight) <= getShortSize(sRight))
		{
			if (*my.right * power > * other.right)
				return false;
			else if (*my.right * power == *other.right)
			{
				if (my.nZeros < other.nZeros)
					return false;
				else
					return true;
			}
			else
				return true;
		}
		else
		{
			if (*my.right > * other.right * power)
				return false;
			else if (*my.right == *other.right * power)
			{
				if (my.nZeros < other.nZeros)
					return false;
				else
					return true;
			}
			else
				return true;
		}
	}
	else
		return false;
}

int main()
{
	setlocale(LC_ALL, "rus");
	int k;
	Pair d(77, 11);
	Pair p(54, 9);

	Pair e, f;
	cout << p << endl;
	cout << d;
	cout << endl;
	cout << "Сложение" << endl;
	e = p + d;
	cout << e.toString();
	cout << endl;
	cout << "Вычитание =" << endl;
	e = p - d;
	cout << e.toString();
	cout << endl;

	return 0;
}