class Matrix {

private final String matrixAsString;

Matrix(String matrixAsString) { this.matrixAsString = matrixAsString; }

int[] getRow(int rowNumber) {

if(matrixAsString.length() == 1) return new int[]{Integer.parseInt(this.matrixAsString)};

String[] stringRow = matrixAsString.split("\n");

String[] stringMatrixOrder = stringRow[rowNumber-1].split(" ");

int[] rowInt = new int[stringMatrixOrder.length];

for (int i = 0; i < stringMatrixOrder.length; i++) { rowInt[i] = Integer.parseInt(stringMatrixOrder[i]); }

return rowInt;

}

int[] getColumn(int columnNumber) {

if(matrixAsString.length() == 1) return new int[]{Integer.parseInt(this.matrixAsString)};

String[] stringRow = matrixAsString.split("\n");

int[] valuesColum = new int[3];

for (int i = 0; i < stringRow.length; i++) {

String[] arraySplintedWithSpace = stringRow[i].split(" ");

valuesColum[i] = Integer.parseInt(arraySplintedWithSpace[columnNumber-1]);

}

return valuesColum;

}

}