public class TesteSubSequence{
   public static void main(String args[]){
      System.out.println("Frase para Criptografar");
      String Frase = Keyboard.readString();
      
      int x=0;
      while(x<Frase.length()){
         System.out.print((char)(Frase.charAt(x)+x));
         x++;
      }
   }
}