#include <bits/stdc++.h>   using namespace std;   int card[10010];   int main() {     int n, r, s = 0, d = 0, l = 1, num = 0;     cin >> n;     r = n;     for (int i = 1; i <= n; i++) {       cin >> card[i];     }     while (l <= r) {       num++;       if (num & 1) {         if (card[l] > card[r]) {           s += card[l];           l++;         } else {           s += card[r];           r--;         }       } else {         if (card[l] > card[r]) {           d += card[l];           l++;         } else {           d += card[r];           r--;         }       }     }     cout << s <<     << d << endl;   }   