switch(GetRandomInt(0, 30))
{
case 1: GivePlayerItem(client, "weapon_flashbang");
case 2: GivePlayerItem(client, "weapon_hegrenade");
case 18: GivePlayerItem(client, "weapon_smokegrenade");
case 23: GivePlayerItem(client, "weapon_molotov");
case 28: GivePlayerItem(client, "weapon_incgrenade");
}