func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n, ar[110];     while (cin >> n) {       for (int i = 0; i < n; i++) {         cin >> ar[i];       }       if ((n % 2 == 1) && (ar[0] % 2 == 1) && (ar[n - 1] % 2 == 1))         cout <<  Yes  << endl;       else         cout <<  No  << endl;     }   }   