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

int main()
{
	//Output graph paper.

	cout << "How many rows (e.g., 10)? ";
	int nrows;	//uninitialized variable
	cin >> nrows;
	if (!cin) {
		cerr << "Sorry, that wasn't a number.\n";
		return EXIT_FAILURE;
	}

	cout << "How many columns (e.g., 10)? ";
	int ncols;	//uninitialized variable
	cin >> ncols;
	if (!cin) {
		cerr << "Sorry, that wasn't a number.\n";
		return EXIT_FAILURE;
	}

	cout << "How many rows of blanks in each box (e.g., 1)? ";
	int nbrows;	//uninitialized variable
	cin >> nbrows;
	if (!cin) {
		cerr << "Sorry, that wasn't a number.\n";
		return EXIT_FAILURE;
	}

	cout << "How many columns of blanks in each box (e.g., 3)? ";
	int nbcols;	//uninitialized variable
	cin >> nbcols;
	if (!cin) {
		cerr << "Sorry, that wasn't a number.\n";
		return EXIT_FAILURE;
	}

	for (int r = 0; r < nrows; ++r) {
		for (int c = 0; c < ncols; ++c) {
			cout << "+";
			for (int cb = 0; cb < nbcols; ++cb) {
				cout << "-";
			}
		}
		cout << "\n";

		for (int rb = 0; rb < nbrows; ++rb) {
			for (int c = 0; c < ncols; ++c) {
				cout << "|";
				for (int cb = 0; cb < nbcols; ++cb) {
					cout << " ";
				}
			}
			cout << "\n";
		}
	}

	return EXIT_SUCCESS;
}