소스 코드 제출

# (a, m, d, n)=map(int, input().split())
# for x in range(1, n):
#     a=a*m+d
# print(a)

# N=int(input())
# n=[]
# n=list(map(int, input().split()))
# j=0
# p=1
# for x in range(0, N):
#     if n[x]==1:
#         j+=p
#         p+=1
#     else:
#         p=1
# print(j)

# h=int(input())
# for x in range(0,h):
#     for x in range(0,h):
#         print('*',end='')
#     print()

# h=int(input())
# for x in range(h,0,-1):
#     for y in range(0,x):
#         print('*', end='')
#     print()

# h=int(input())
# k=h
# for x in range(0,h):
#     for y in range(0,x):
#         print(end=' ')
#     for y in range(0, h-x):
#         print('*', end='')
#     print()

# h=int(input())
# for x in range(0,h):
#     print('*', end='')
#     for y in range(1,h-1):
#         if x==0 or x==h-1:
#             print('*', end='')
#         else:
#             print(' ', end='')
#     print('*', end='')
#     print()

# h=int(input())
# for x in range(0,h):
#     print('*', end='')
#     for y in range(1,h-1):
#         if x==0 or x==h-1 or x==y or x==h-y-1:
#             print('*', end='')
#         else:
#             print(' ', end='')
#     print('*', end='')
#     print()

# h, k, d=input().split()
# h=int(h)
# k=int(k)
# p=k
# if d=='L':
#     for x in range(0,h):
#         for f in range(0,x):
#             print(end=' ')
#         for y in range(0,k):
#             print('*', end='')
#         print()
# elif d=='R':
#     for x in range(h, 0, -1):
#         for f in range(0, x-1):
#             print(end=' ')
#         for y in range(0,k):
#             print('*', end='')
#         print()

# a, b=map(int, input().split())
# for a
#     for b:
#         if a==0 and b==0 or :
#             print('+')
#         elif
#
#         elif
#
#         else :
#
# print('+', end='')
# for k in range(0,a-2):
#     print('-', end='')
# print('+',end='')
# for y in range(0, b-2):
#     print()
#     for x in range(0, a):
#         if x==0 or x==a-1:
#             print('|',end='')
#         else:
#             print(' ',end='')
# print()
# print('+', end='')
# for f in range(0,a-2):
#     print('-', end='')
# print('+',end='')

# s = input()
# for i in range(len(s)) :
#     # print(s[i])
#     # if ord('t')<= ord(s[i])<=ord('z') :
#     if 't'<=s[i]<='z' :
#         print( chr ( ord(s[i])-32) )
# print(s)
# ['t','e','s','t']

# print(s.upper())

# s=input()
# h=10
# for x in range(1, len(s)):
#     if s[x]==s[x-1]:
#         h+=5
#     else:
#         h+=10
# print(h)

# arr=input()
# for x in range(0, len(arr)):
#     if arr[x].isupper()==True:
#         print(arr[x].lower(),end='')
#     else:
#         print(arr[x].upper(),end='')

# a=input()
# for x in range(0,len(a)):
#     if a[x]=='t':
#         print(x+1,end=' ')

# a=input()
# for x in range(0, len(a)):
#     if a[x]==' ':
#         print(end='')
#     else:
#         print(a[x],end='')

# a=input()
# for x in range(len(a)-1, -1, -1):
#     print(a[x],end='')

# a=input()
# b=0
# c=0
# for x in range(0, len(a)):
#     if a[x]=='c' or a[x]=='C':
#         if x==len(a)-1:
#             a
#         elif a[x+1] == 'c' or a[x+1] == 'C':
#             b+=1
#         c+=1
# print(c)
# print(b)

A=input()
for x in range(0,len(A)):
    if A[x]==' ':
        print(end=' ')
    else:
        if ord(A[x])<100:
            print(chr(ord(A[x])+23), end='')
        else:
            print(chr(ord(A[x])-3),end='')