题解 | #简单密码#

s = input()
out = []
for i in s:
    if i == 'a' or i == 'b' or i == 'c':
        out.append(2)
    elif i == 'd' or i == 'e' or i == 'f':
        out.append(3)
    elif i == 'g' or i == 'h' or i == 'i':
        out.append(4)
    elif i == 'j' or i == 'k' or i == 'l':
        out.append(5)
    elif i == 'm' or i == 'n' or i == 'o':
        out.append(6)
    elif i == 'p' or i == 'q' or i == 'r' or i== 's':
        out.append(7)   
    elif i == 't' or i == 'u' or i == 'v':
        out.append(8)
    elif i == 'w' or i == 'x' or i == 'y'or i== 'z':
        out.append(9) 
    elif i.isupper() and i !='Z':
        out.append(chr(ord(i.lower())+1))
    elif i =='Z':
        out.append('a')
    else :
        out.append(i)
for i in out:
    print(i,end='')