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import java.util.*;    
    
public class Main {    
    
    public static void main(String[] args) {    
        Scanner scn = new Scanner(System.in);    
        int n = Integer.parseInt(scn.nextLine()), code = Integer.parseInt(scn.nextLine()), tot;    
        System.out.printf("%d\n%d\n",n,code);   
        if(n>26)n%=26;  
        while (n < 0) {  
            n += 26;  
        }  
        while (scn.hasNext()) {    
            String str = scn.nextLine();    
            char c[] = str.toCharArray();    
            for (int i = 0; i < c.length; i++) {    
                tot = c[i];    
                if (c[i] >= 97 && c[i] <= 122) {    
                    if (code == 0)    
                        tot = c[i] + n;    
                    else    
                        tot = c[i] - n;    
                    if (tot > 122)    
                        tot -= 26;    
                    if (tot < 97)    
                        tot += 26;    
                } else if (c[i] >= 65 && c[i] <= 90) {    
                    if (code == 0)    
                        tot = c[i] + n;    
                    else    
                        tot = c[i] - n;    
                    if (tot > 90)    
                        tot -= 26;    
                    if (tot < 65)    
                        tot += 26;    
                }    
                System.out.printf("%c", tot);    
            }    
            System.out.printf("\n");    
        }    
    }    
    	/* 
    題目：UTSA Basic Problem 2. 編碼器
    作者：1010
    時間：西元 2016 年 7 月 */
}