Public Class Form1
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Dim ort As Integer
ort = InputBox("notu gir")
If ort < 50 Then
MsgBox("kaldı")
End If
If ort >= 50 Then
MsgBox("Geçti")
End If
End Sub
End Class