#include <iostream>
using namespace std;
 
int main()
{  double next;
   double highest;
 
   cout << "Please enter the temperature values:\n";
   if (cin >> next) highest = next;
   else
   {  cout << "No data!\n";
      return 1;
   }
   while (cin >> next)
     if (next > highest) highest = next;   

   cout << "The highest temperature is " << highest << "\n";
   return 0;
}