public OnPlayerSpawn(playerid)
{
    switch(GetPlayerSkin(playerid))
    {
        case 265..267,280..288:
        {
            SendClientMessage(playerid, 0xFFFFFFFF, "Welcome, your job is to arrest players.");
            SendClientMessage(playerid, 0xFFFFFFFF, "Do /cs To change your cop skin.");
        }
    }
    return 1;
}