#include <iostream>
using namespace std;
int main(){
    int subArray[13] = {5,4,-12,7,9,14,-12,19,2,4,-1,-5,14};
    int max,currMax,currTotal = 0;

    for (int i = 0; i < 13; i++)
    {
      for (int j = i; j<(13-i); j++){
        currTotal = subArray[j] + currTotal;
        if(currTotal > currMax)
            currMax = currTotal;
      }

       currTotal = 0;
       if(currMax > max)
        max = currMax;

    }
    cout << max;
    return 0;
}