题解 | #简单密码#

nums = input()
a = "bcdefghijklmnopqrstuvwxyza222333444555666777788899991234567890"
b = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890"
ans=""
for i in nums:
     if i in b:
        for n in range(len(b)):#对照零时解码表，解码后输出
            if b[n] == i:
                ans+=a[n]
print(ans)