# a,b = map(int,input().split())
# if(a<=b):
# print(a,b)
# elif(a>b):
# print(b,a)
# a = input()
# print('welcome!',a)
# a = input()
# b = 0
# for i in range(len(a)):
# b = b + int(a[i])
# if b%3==0 :
# print('1')
# else:
# print('0')
# a = input()
# b = input()
# c = input()
# if a[-1] == b[0] and b[-1] == c[0] and c[-1] == a[0]:
# print('good')
# else:
# print('bad')
# a = input()
# memo = 0
# for i in range(len(a)-3):
# if a[i]+a[i+1]+a[i+2]+a[i+3] == 'love':
# memo += 1
# print (memo)
# a = input()
# for i in range(len(a)):
# if a[i] == 't':
# print (i+1)
a = input() # 'TEST'
b = 0
for i in range(len(a)):
b = ord(a[i])+2 # ord('TEST') X
print(chr(b))
# ord(문자) -> 문자에 해당하는 아스키코드 리턴