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