#include <iostream>
#include <climits>

int main()
  {
   while(true)
     {
      double A,B;
      while(true)
        {
         cout<<"Podaj dwie liczby (!-koniec): ";
         cin>>A>>B;
         if(cin.good())
           {
            int Ch;
            bool F=true;
            while((Ch=cin.get())!='\n') if((Ch!=' ')&&(Ch!='\t')) F=false;
            if(F) break;
           }
         else
           {
            cin.clear();
            if(cin.get()=='!') return(0);
            cin.ignore(INT_MAX,'\n');
           }
         cout<<"Blad wprowadzenia."<<endl<<endl;
        }
      cout<<A;
      if(A<B)       cout<<'<';
      else if(A>B)  cout<<'>';
      else          cout<<'=';
      cout<<B<<endl<<endl;
     }
  }