#include <stdio.h> int main() { int m, n; scanf("%d %d", &n, &m); long long even_sum = 0; long long odd_sum = 0; for (int i = m; i <= n; i++) { if (i % 2 == 0) { even_sum += i; } else { odd_sum += i; } } printf("%lld %lld\n", even_sum, odd_sum); return 0; }