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

int main ()
{ 
	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 nrowblanks {0}
	cin >> nrowblanks;

	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 ncolblanks {0} 
	cin >> ncolblanks;

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

	} 
	
	for (int r {0}; i < nrows; i++) {
		for (int j {0}; j < ncols; j++) {
			cout << "+";
			for (int k = 0; k < ncolblanks; k++) {
				cout << "-";
			}
		}
		 cout << "+\n";

		 for (int m = 0; m < nrowblanks; m++) {
			 for (int j = 0; j < ncols; j++) {
				 cout << "|";
				 for (int k = 0; k < ncolblanks; k++) {
					 cout << " ";
				 }
			 }			 
			 cout << "|\n";
		 }
	}
	
	for (int j = 0; j < ncols; j++) {
		cout << "+";
		for (int k = 0; k < ncolblanks; k++ {
		     cout << "-";
		     }
		}
		cout << "+\n";

		
		
	return EXIT_SUCCESS

	}