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 Julia (0.5.0) (judge verdict: Runtime Error)

#=
C:
- Julia version: 
- Author: abap
- Date: 2020-01-12
=#
parseInt(x) = parse(Int, x)
parseMap(x::Array{SubString{String},1}) = map(parseInt, x)
N,M = parseMap(split(readline()))
problems = 1
wa = 0
ac = 0
for i in 1:M
	p,s = split(readline())
	p = parseInt(p)
	if s == "WA" && problems == p
		wa += 1
	elseif s == "AC" && problems == p
		ac += 1
		problems += 1
	end
end
println("$ac $wa")