func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n;     cin >> n;     vector<int> vec(n);     for (int i = 0; i < n; i++) {       cin >> vec[i];     }     if (n == 1) {       if (vec[0] == 15)         cout <<  DOWN  << endl;       else if (vec[0] == 0)         cout <<  UP  << endl;       else         cout <<  -1  << endl;     } else {       if (vec[n - 1] == 0 || (vec[n - 1] > vec[n - 2] && vec[n - 1] != 15))         cout <<  UP  << endl;       else         cout <<  DOWN  << endl;     }     return 0;   }   