//-----------------------------------------------------------------------
//	File:		secret.cc
//	Description:	Encode text using one-time pad
//	Author:		Chau-Wen Tseng (tseng@cs.umd.edu)
//-----------------------------------------------------------------------

#include <stdlib.h>
#include <iostream.h>
#include <assert.h>
#include "apstring.h"
#include "apstring.cpp"

//-----------------------------------------------------------------------
//  main
//-----------------------------------------------------------------------

int main()
{
	apstring key;
	apstring buf;
	int pad[100];      // max pad is 100 chars
	char code[100];    // store encrypted string
	int i,len,padsize,padindex;
	unsigned int c;

	cin >> padsize;
	padindex = 0;

	for (i = 0; i<padsize; i++) {  // read in pad
		cin >> pad[i];
		assert((pad[i] >= 0) && (pad[i] <= 25));
	}

	cin >> buf;
	while (buf != "-1") {  // look at each string

		len = buf.length();
		for (i = 0; i < len; i++) {
		        assert((buf[i] >= 'a') && (buf[i] <= 'z'));
			c = (unsigned int) (buf[i] + pad[padindex++]);
			if (c > (unsigned int) 'z')
				c -= 26;  // 26 letters
			code[i] = (char) c;
		}

		assert(i < 100);
		code[i] = '\0';
		cout << code << endl;  // print output
		cin >> buf;            // get next string
	}
}