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

int main()
{
	//Output graph paper.

	cout << "How many rows (e.g., 10)? ";
	int nrows {0};
	cin >> nrows;

        if (!cin) {
                cerr << "Sorry, that wasn't a number.\n";
                return EXIT_FAILURE;
        }

	cout << "How many columns (e.g., 10)? ";
	int ncols {0};
	cin >> ncols;

        if (!cin) {
                cerr << "Sorry, that wasn't a number.\n";
                return EXIT_FAILURE;
        }

	cout << "How many rows of blanks in each box? ";
	int nrowsb {0};
	cin >> nrowsb;

	if (!cin) {
		cerr << "Sorry, that wasn't a number.\n";
		return EXIT_FAILURE;
	}

	cout << "How many columns of blanks in each box?\n" ;
	int ncolsb {0};
	cin >> ncolsb;

	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 d {0}; d < ncolsb; ++d) {
			cout << "-";

			}

		}
		cout << "\n";
		
		for (int rr {0}; rr < nrowsb; ++rr) {
		for (int c {0}; c < ncols; ++c) {
			cout << "|";

			for (int d {0}; d < ncolsb; ++d) {
			cout << " ";
			}
		
		}
		cout << "\n";
	}

	}
	return EXIT_SUCCESS;
}