Imports System
Public Class Test
Public Shared Sub Main()
Dim n As Integer
n = Console.ReadLine
Dim m As Integer
m = Console.ReadLine
Do While n <> 0
Dim x as integer = Console.ReadLine
if x > 3
m=m-1
end if
n=n-1
Loop
if m > 0 then
System.Console.WriteLine("No")
else
System.Console.WriteLine("Yes")
end if
End Sub
End Class
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