#include <iostream.h>
#include <string>

class Encoder
{
public:
	Encoder(char state)
	: myState(state)
	{}

	void Reset(char state)
	{
		myState = state;
	}

	virtual string operator()(string s)
	{
		for (int i=0; i<s.length(); i++)
		{
			myState = s[i] = (myState + s[i]) & 0x7F;
		}
		return s;
	}

private:
	char myState;
};


int main(void)
{
	Encoder	acode('a');
	Encoder	jcode('j');
	Encoder pcode('p');

	char nextWord[1000];
	while (cin.getline(nextWord,1000))
	{
		cout << "a: " << acode(nextWord) << endl;
		cout << "j: " << jcode(nextWord) << endl;
		cout << "p: " << pcode(nextWord) << endl;
		cout << endl;
		pcode.Reset('p');
	}
}