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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)