C++ :

#include<iostream>
using namespace std;
int main() {
    int start, end;
    do {
        cin >> start >> end;
        if (start != 0 && end != 0) {
            int evenSum = 0, oddSum = 0;
            for (int i = start; i <= end; ++i) {
                if (i % 2 == 0) {
                    evenSum += i;
                } else {
                    oddSum += i;
                }
            }
            cout << evenSum << endl;
            cout << oddSum << endl;
        } 
    } while (start != 0 && end != 0);
    return 0;
}