import math import statistics

s = list("abcdefghijklmnopqrstuvwxyz") S = list("ABCDEFGHIJKLMNOPQRSTUVWXYX") x = input()

x = x.swapcase()

x = list(x) x.reverse()

for i in range(len(x)): for j in range(len(s)): if x[i]==s[j]: x[i] = s[(j+3)%26] break for k in range(len(S)): if x[i]==S[k]: x[i] = S[(k+3)%26] break

x = ''.join(x) print(x)