#include <iostream>
int mindex(char search[], char target);

// decoder:
// allow the user to enter a string of text and output the decoded version
// of the text.
// the encoding involves translating characters as follows:
// A -> P
// B -> Q
// etc. 
// Here's the complete list:
//    lmnopzyxwvustrqabcfedghijk
//    abcdefghijklmnopqrstuvwxyz

int main()
{
	char outstr[] =  "abcdefghijklmnopqrstuvwxyz";
	char instr[] =   "lmnopzyxwvustrqabcfedghijk";
	char cur;
	int m;

	do
	{
		cin.get(cur);
		m = mindex(instr, cur);
		if (m == -1)
			cout << cur;
		else
			cout << outstr[m];

	} while ( cur !=  '\n');
	cout << endl;
}


// mindex:  searches through a character array for a particular character
// and returns the index into the array of the found character
// argument 1: character array
// argument 2: character to search for
//

int mindex(char search[], char target)
{
	int i;

	for (i=0; search[i] != '\0'; ++i)
		if (search[i] == target)
			return i;

	return -1;
}