Sub Macro1()
Dim Counter As Integer
For Counter = 1 To 35
'Cells.(X,Y) X = number, Y = Letter i.e D5 Cells(5,4)
firstValue = ActiveSheet.Cells(Counter, 3)
SecondValue = ActiveSheet.Cells(Counter, 4)
If firstValue = SecondValue Then
Rows(Counter).Interior.Color = RGB(255, 10, 10)
End If
Next
End Sub