#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 (e.g. 1)? ";
	int srows {0};
	cin >> srows;

	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 scols;
	cin >> scols;

	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 a {0}; a < scols; ++a){
				cout << "-";
			}
		}
		cout << "\n";

		for (int c {0}; c < scols; ++c) {
			for (int e{0}; e < ncols; ++e){
				cout << "|";
				for (int d{0}; d < scols; ++d){
					cout << " ";
				}
			}
			cout << "\n";

		}
		cout << "\n";
	}

	return EXIT_SUCCESS;
}