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

int main()
{
	

	cout << "How many rows of boxes (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 of boxes (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 nRblanks {0};
	cin >> nRblanks;

	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 iCblanks {0};
	cin >> iCblanks;

	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 bC {0}; bC < nRblanks; ++bC){
				cout << "-";
			}
		}
		cout << "\n";
		for (int a {0}; a < iCblanks; ++a) {
			for (int c {0}; c < nrows; ++c) {
				cout << "|";
				for (int b {0}; b < nRblanks; ++b){
				cout << " ";
				}
			}
			cout << "\n";
		}
	}
	cout << "\n";

	return EXIT_SUCCESS;
}