//nest1.cpp, nested ifs
#include <iostream>
using namespace std;
int main()
{
   int temp;
   char ans;
   cout << "What is the temperature? ";
   cin  >> temp;
   cout << "Is it a weekend (y/n): ";
   cin >> ans;     
   if (((ans == 'y') || (ans == 'Y')))     //weekend
   {
     cout << "wear black dress." << endl;
   }
   else                                   //weekday
   {
     if (temp > 70)
        cout << "Wear t-shirt."<< endl;
     else
        cout << "Wear sweater" << endl;
   }
   return 0;
}