#include <iostream>
#include <limits>
using namespace std;
 
int GetInput(string s)
{
   cout<<s;
   int input;
   while (!(cin>>input))
   {
      cerr<<endl<<"error! re-enter"<<endl;
      cin.clear();
      cin.ignore(numeric_limits<streamsize>::max(),'\n');
   }
   return input;
}
 
int main()
{
   int windowseatprice = GetInput(string("How much for a window seat"));
   return 0;
}