public class KodierungA 
{
	//Kodierung der Buchstaben, Bestimmung der "Parameter"
	static char code(char letter, int distance) 
	{
		char letter1 = (char)(letter + distance%26);
		//Kleinbuchstabe: Bedingung > z                    || Großbuchstabe: Bedingung > Z
		if (Character.isLowerCase(letter) && letter1 > 'z' || Character.isUpperCase(letter) && letter1 > 'Z')
		letter1 = (char)(letter1 - 26);
		return letter1;
	}
	
	public static void main(String args[]) 
	{
		int distance = 2;
        int i=0;
        char n;
        do
        {
        	n=args[0].charAt(i);
        	char letter = n;
			while (In.done()) 
			{
				if (Character.isLetter(letter)) Out.print(code(letter, distance));
				else Out.print(letter);
            	i+=1;
				letter = In.read();
			}
		In.close();
		}while(i==args[0].length());
		

	}
}