Align positive number to nearest multiples of another

align.cpp

#include <iostream>

using namespace std;

#define alignUp(value, factor) (((value + (factor - 1)) / factor) * factor)
#define alignDown(value, factor) ((value / factor) * factor)

int main(int c, char **v)
{

	cout << alignUp(stoi(v[1], nullptr), stoi(v[2], nullptr)) << " " << alignDown(stoi(v[1], nullptr), stoi(v[2], nullptr)) << endl;

	return 0;

}