Try this.
Sub PivotGuy()
Dim arr1, arr2, c As Long, x As Long, y As Long
With Worksheets("INPUT").Range("A1").CurrentRegion
arr1 = .Offset(1).Resize(.Rows.Count - 1, 5).Value
ReDim arr2(1 To WorksheetFunction.Sum(.Columns(4)), 1 To 5)
End With
y = 1
For c = LBound(arr1, 1) To UBound(arr1, 1)
For x = 1 To arr1(c, 4)
arr2(y, 1) = arr1(c, 1): arr2(y, 2) = arr1(c, 2) + x - 1: arr2(y, 3) = arr1(c, 2) + x - 1
arr2(y, 4) = 1: arr2(y, 5) = arr1(c, 5): y = y + 1
Next x
Next c
Worksheets("OUTPUT").Range("A2").Resize(UBound(arr2, 1), UBound(arr2, 2)).Value = arr2
End Sub