Problem:
Score : 100 points

Problem Statement

Given is a lowercase English letter C that is not z. Print the letter that follows C in alphabetical order.

Constraints

C is a lowercase English letter that is not z.

Input

Input is given from Standard Input in the following format:

C

Output

Print the letter that follows C in alphabetical order.

Sample Input 1

a

Sample Output 1

b

a is followed by b.

Sample Input 2

y

Sample Output 2

z

y is followed by z.

Solution in Python (3.4.3) (judge verdict: Accepted)

C=input()
if C=="a":
  print("b")
elif C=="b":
  print("c")
elif C=="c":
  print("d")
elif C=="d":
  print("e")
elif C=="e":
  print("f")
elif C=="f":
  print("g")
elif C=="g":
  print("h")
elif C=="h":
  print("i")
elif C=="i":
  print("j")
elif C=="j":
  print("k")
elif C=="k":
  print("l")
elif C=="l":
  print("m")
elif C=="m":
  print("n")
elif C=="n":
  print("o")
elif C=="o":
  print("p")
elif C=="p":
  print("q")
elif C=="q":
  print("r")
elif C=="r":
  print("s")
elif C=="s":
  print("t")
elif C=="t":
  print("u")
elif C=="u":
  print("v")
elif C=="v":
  print("w")
elif C=="w":
  print("x")
elif C=="x":
  print("y")
else :
  print("z")