#include <iostream>
#include <cmath>

using namespace std;

class fract
{
public:
    fract()
    {
        num = 0;
        denum = 1;
    }
	fract(int num, int denum)
	{
		this->num = num;
		this->denum = denum;
	}
	int num;
	int denum;
};


fract matrix[4][4];

void swap_rows(int n1, int n2)
{
	for(int i = 0; i < 4; i++)
	{
		swap(matrix[n1][i], matrix[n2][i]);
	}
}

void print_matr()
{
	for(int i = 0; i < 4; i++)
	{
		for(int g = 0; g < 4; g++)
			cout << matrix[i][g].num << "/" << matrix[i][g].denum << "   ";
		cout << endl;
	}
}


int main()
{
	double max = 0;
	int num, imax;
	fract k;
	for(int i = 0; i < 4; i++)
		for(int g = 0; g < 4; g++)
		{
			cin >> num;
			matrix[i][g] = fract(num, 1);
		}
	for(int col = 0; col < 3; col++)
	{
		for(int row = col; row < 4; row++)
		{
			if(abs(double(matrix[row][col].num)/matrix[row][col].denum) >= max)
			{
				max = abs(double(matrix[row][col].num)/matrix[row][col].denum);
				imax = row;
			}
		}
		swap_rows(col, imax);
		print_matr();
		cout << endl << endl;
		for(int row = col + 1; row < 4; row++)
		{
			k = fract(-matrix[row][col].num * matrix[col][col].denum, matrix[row][col].denum * matrix[col][col].num);
			for(int column = col; column < 4; column++)
			{
				matrix[row][column] = fract(matrix[row][column].num*matrix[col][column].denum*k.denum + matrix[col][column].num*k.num*matrix[row][column].denum, matrix[row][column].denum*k.denum*matrix[col][column].denum);
			}
		}
		print_matr();
		cout << endl << endl;
	}
	return 0;
}