#include<bits/stdc++.h>
using namespace std;
int n[100],code,nsize;
void Enigma(string input) {
	char output[10000];
	for (int i = 0; i < input.size(); i++) {
		if(input[i]==' ') {
			output[i] = ' ';
			continue;
		}
		code = input[i]-'a';
		for(int j = 0; j < nsize; j++)code = (code + n[j]) % 26;
		if(code%2)code--;
		else code++; 
		for (int j = nsize-1; j >=0; j--) {
			code = code - n[j];
			if(code<0)code=26+code;
		}n[0]++;
		for (int j = 0; j < nsize-1; j++)
			if (n[j]>=26) {
				n[j + 1]++;
				n[j] = 0;
			}
		n[nsize-1] = n[nsize-1]%26;
		output[i] = code+'a';
	}
	system("cls");
	cout<<output<<endl;
}
int main(){
	cout<<"输入转子数"<<endl;
	cin>>nsize;
	cout<<"输入起始密码"<<endl; 
	for(int i=0;i<nsize;i++)cin>>n[i];
	string plain="bcde";
	for(int i=0;plain[i]!=EOF;i++)cin>>plain[i];
	Enigma(plain);
}