//nest2.cpp, nested ifs using boolean variables
#include <iostream>
using namespace std;
int main()
{
   int temp;
   bool warm;
   char ans;
   bool weekend;
   cout << "What is the temperature? ";
   cin  >> temp;
   warm = (temp > 70);
   cout << "Is it a weekend (y/n): ";
   cin >> ans;
   weekend = ((ans == 'y') || (ans == 'Y'));        
   if (weekend)
   {
     cout << "wear black dress." << endl;
   }
   else
   {
     if (warm)
        cout << "Wear t-shirt."<< endl;
     else
        cout << "Wear sweater" << endl;
   }
   return 0;
}