Problem:
Score : 200 points

Problem Statement

N friends of Takahashi has come to a theme park.

To ride the most popular roller coaster in the park, you must be at least K centimeters tall.

The i-th friend is h_i centimeters tall.

How many of the Takahashi's friends can ride the roller coaster?

Constraints

1 \le N \le 10^5

1 \le K \le 500

1 \le h_i \le 500

All values in input are integers.

Input

Input is given from Standard Input in the following format:

N K
h_1 h_2 \ldots h_N

Output

Print the number of people among the Takahashi's friends who can ride the roller coaster.

Sample Input 1

4 150
150 140 100 200

Sample Output 1

2

Two of them can ride the roller coaster: the first and fourth friends.

Sample Input 2

1 500
499

Sample Output 2

0

Sample Input 3

5 1
100 200 300 400 500

Sample Output 3

5

Solution in Ruby (2.3.3) (judge verdict: Runtime Error)

N = gets.to_i
A = gets.split.map(&:to_i)
B = gets.split.map(&:to_i)
C = gets.split.map(&:to_i)

ans = 0

N.times do |i|
  ans += B[i]

  if i != 0 && A[i-1] +1 == A[i]
    ans += C[A[i-1]-1]
  end
end

puts ans