#include <bits/stdc++.h> ? using namespace std; int main() { int n, m, s1 = 0, s2 = 0; cin >> m >> n; for (int i = m; i <= n; i++) { if (i % 2 == 0) s2 += i; else s1 += i; cout << s2 << " " << s1 << endl; } return 0; }