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

int main()
{
	string a[] {                              //East of this avenue are
		"Fifth Avenue",                   //  1 to  99 inclusive
		"Park Avenue (or Fourth Avenue)", //100 to 199 inclusive
		"Third Avenue",                   //200 to 299 inclusive
		"Second Avenue",                  //300 to 399 inclusive
		"First Avenue",                   //400 to 499 inclusive
		"York Avenue (or Avenue A)",      //500 to 599 inclusive
		"Avenue B"
	};
	int n {size(a)};

	//Where is 100 East 42nd Street?
	int number {100};
	int street {42};	//assume East side

	if (number < 1 || number >= n * 100) {
		cerr << "street # " << number << " must be in range 1 to "
			<< n * 100 - 1 << " inclusive.\n";
		return EXIT_FAILURE;
	}

	int i {number / 100};   //subscript of an avenue
	cout << "between " << a[i]
		<< " and " << a[i + 1] << "\n";
	return EXIT_SUCCESS;
}