#include "library.h"
      
      void main(void)
      {
        print("20 degrees centigrade is ");
        print(20.0*9/5+32);
        print(" degrees Fahrenheit");
        newline();
      
        print("21 degrees centigrade is ");
        print(21.0*9/5+32);
        print(" degrees Fahrenheit");
        newline();
      
        print("22 degrees centigrade is ");
        print(22.0*9/5+32);
        print(" degrees Fahrenheit");
        newline();
      
        print("23 degrees centigrade is ");
        print(23.0*9/5+32);
        print(" degrees Fahrenheit");
        newline();
      
        print("24 degrees centigrade is ");
        print(24.0*9/5+32);
        print(" degrees Fahrenheit");
        newline();
      
        print("25 degrees centigrade is ");
        print(25.0*9/5+32);
        print(" degrees Fahrenheit");
        newline();
      
        print("26 degrees centigrade is ");
        print(26.0*9/5+32);
        print(" degrees Fahrenheit");
        newline();
      
        print("27 degrees centigrade is ");
        print(27.0*9/5+32);
        print(" degrees Fahrenheit");
        newline();
      
        print("28 degrees centigrade is ");
        print(28.0*9/5+32);
        print(" degrees Fahrenheit");
        newline();
      
        print("29 degrees centigrade is ");
        print(29.0*9/5+32);
        print(" degrees Fahrenheit");
        newline();
      
        print("30 degrees centigrade is ");
        print(30.0*9/5+32);
        print(" degrees Fahrenheit");
        newline();
      }