using System;

class CelFar {
  static void Main() {
    Console.Write("Temperatura -> ");
    string s = Console.ReadLine();
    int L = s.Length;
    if(L == 0) {
      Console.WriteLine("Greska");
    }
    else if(char.ToUpper(s[L - 1]) == 'C') {
      double tC = double.Parse(s.Substring(0, L - 1));
      double tF = 1.8 * tC + 32.0;
      Console.WriteLine("{0}C = {1}F", tC, tF);
    }
    else if(char.ToUpper(s[L - 1]) == 'F') {
      double tF = double.Parse(s.Substring(0, L - 1));
      double tC = (tF - 32.0) / 1.8;
      Console.WriteLine("{0}F = {1}C", tF, tC);
    }
    else {
      Console.WriteLine("Nepoznata jedinica");
    }
  }
}