Try this

Code:
Sub LockCells()

    Const strPWD As String = "Password"
    If strPWD = InputBox("Enter password to protect", "Protect sheets") Then
        With Worksheets("Group")
            .Unprotect strPWD
            .Cells.Locked = True
            .Range("C21:L21,C32:M36").Locked = False
            .Protect strPWD
        End With
        With Worksheets("Team")
            .Unprotect strPWD
            .Cells.Locked = True
            .Range("C4").Locked = False
            .Protect strPWD
        End With
    End If
    
End Sub