# coding: utf-8
# 自分の得意な言語で
# Let's チャレンジ！！
code = [int(i) for i in input().split()]
S = input()
X = [int(i) for i in input()]
if S == 'encode':
    for i in X:
         print(code[i],end = '')
else:
    for i in X:
        print(code.index(i), end = '')