input len min split for in range len if isalpha True if chr ord isalph

n = input()
k = len(min(n.split()))
h = ''
for i in range(len(n)):
    c = n[i]
    if c.isalpha() == True:
        if chr(ord(n[i]) - k).isalpha() == True:
            h += chr(ord(n[i]) - k)
        else:
            h += chr(ord(n[i]) - k + 26)
    else:
        h += c  
print(h)