The instruction on start of the programs
for multiplication of square matrixes.

Call:
	matrixN InputFile OutputFile

InputFile is an input text file:
	Dimension
	Matrix1
	Matrix2
Splitting into lines is arbitrary.
Missing values treats, as zero.

For Example:
5

1 2 3 4 5
1 2 3 4 5
1 2 3 4 5
1 2 3 4 5
1 2 3 4 5

1 2 3 4 5
1 2 3 4 5
1 2 3 4 5
1 2 3 4 5
1 2 3 4 5

OutputFile is an output text file with the result matrix.