1  #include <iostream> 2  #include <stdio.h> 3  #include <string.h> 4  #include <stack> 5  using namespace std; 6  7  int main() 8  { 9      double salary[12];10      double sum = 0;11      for (int i = 0; i < 12; ++i) {12         cin >> salary[i];13         sum += salary[i];14      }15      cout << "$" << sum/12 << endl;16      return 0;17  }