#include <iostream>
using namespace std;
 
int main(int argc, char* argv[]) {
 
	int startNum = 0;
	cin >> startNum;
 
	if (startNum <= 0) return 1;
 
	cout << startNum << endl;
	int numCols = startNum;
	int numRows = (startNum + 1) / 2;
 
	if (numCols % 2 == 0) {
		++numRows;
	}
 
	int numFields = numCols * numRows;
 
	for (int currentField = 0; currentField < numFields; ++currentField) {
		int currentRow = currentField / numCols;
		int currentCol = currentField % numCols;
 
		if (currentCol < currentRow) cout << "-";
		else if (currentCol > (numCols - currentRow - 1)) 
			if (currentRow == numRows - 1 && currentCol == numCols / 2) cout << "^";
			else cout << "_";
		else cout << "*";
 
		if (currentCol == numCols - 1) cout << endl;
	}
 
	return 0;
}

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