#include <bits/stdc++.h>   using namespace std;   int main() {     int n;     cin >> n;     int a;     vector<int> v;     for (int i = 0; i < n; ++i) {       cin >> a;       v.emplace_back(a);     }     int S = 0;     int D = 0;     int i = v.begin() - v.begin();     int j = v.end() - v.begin() - 1;     int chance = 0;     for (int ii = i, jj = j; jj >= ii; chance++) {       int score = max(v[ii], v[jj]);       if (chance % 2 == 0) {         S += score;       } else         D += score;       if (v[ii] > v[jj]) {         ii++;       } else         jj--;     }     cout << S <<     << D;   }   