题解 | #简单密码#

s1 = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789'
s2 = '22233344455566677778889999bcdefghijklmnopqrstuvwxyza0123456789'

res = ''

for i in input():
    res += s2[s1.index(i)]
print(res)