#include<bits/stdc++.h> using namespace std; int main() { int a, b, c, d; cin >> a >> b; for (int e = 0; e <= a - b; e++) { if (d % 2 == 0) { c += e; } if (d % 2 == 1) { d += c; } } cout << c << " " << d; return 0; }