Kill Combos

#include <a_samp>
#define COLOR_GREEN 0x33AA33AA
#define COLOR_RED 0xAA3333AA
#define COLOR_YELLOW 0xFFFF00AA
#define COLOR_BLUE 0x33CCFFAA
#define COLOR_ORANGE 0xFF9900AA
new PlayerKills[MAX_PLAYERS] = 0, KILLER[MAX_PLAYERS] = 0;
public OnPlayerDeath(playerid, killerid, reason)
{
    new kName[128], string[128];
    GetPlayerName(killerid, kName, sizeof(kName));
    PlayerKills[killerid] = PlayerKills[killerid] + 1;
    PlayerKills[playerid] = 0;
    if (PlayerKills[killerid] == 1 && KILLER[killerid] == 1)
    {
        format(string, sizeof(string), "TOP KILLLER!(+20000)(%s)", kName);
        SendClientMessageToAll(0x33CCFFAA,string);
        GivePlayerMoney(killerid, 20000);
        return 1;
    }
    if (PlayerKills[killerid] == 2)
    {
        format(string, sizeof(string), "DOUBLE KILL!(+200)(%s)", kName);
        SendClientMessageToAll(0x33CCFFAA,string);
        GivePlayerMoney(killerid, 200);
        return 1;
    }
    if (PlayerKills[killerid] == 3)
    {
        format(string, sizeof(string), "TRIPLE KILL!(+600)(%s)", kName);
        SendClientMessageToAll(0x33CCFFAA,string);
        GivePlayerMoney(killerid, 600);
        return 1;
    }
    if (PlayerKills[killerid] == 4)
    {
        format(string, sizeof(string), "DOMINATING!(+1000)(%s)", kName);
        SendClientMessageToAll(0x33CCFFAA,string);
        GivePlayerMoney(killerid, 1000);
        return 1;
    }
    if (PlayerKills[killerid] == 6)
    {
        format(string, sizeof(string), "RAMPAGE!(+2000)(%s)", kName);
        SendClientMessageToAll(0x33CCFFAA,string);
        GivePlayerMoney(killerid, 2000);
        return 1;
    }
    if (PlayerKills[killerid] == 8)
    {
        format(string, sizeof(string), "KILLING SPREE!(+3000)(%s)", kName);
        SendClientMessageToAll(0x33CCFFAA,string);
        GivePlayerMoney(killerid, 3000);
        return 1;
    }
    if (PlayerKills[killerid] == 10)
    {
        format(string, sizeof(string), "MONSTER KILL!(+4000)(%s)", kName);
        SendClientMessageToAll(0x33CCFFAA,string);
        GivePlayerMoney(killerid, 4000);
        return 1;
    }
    if (PlayerKills[killerid] == 12)
    {
        format(string, sizeof(string), "UNSTOPPABLE!(+5000)(%s)", kName);
        SendClientMessageToAll(0x33CCFFAA,string);
        GivePlayerMoney(killerid, 5000);
        return 1;
    }
    if (PlayerKills[killerid] == 14)
    {
        format(string, sizeof(string), "ULTRA KILL!(+6000)(%s)", kName);
        SendClientMessageToAll(0x33CCFFAA,string);
        GivePlayerMoney(killerid, 6000);
        return 1;
    }
    if (PlayerKills[killerid] == 16)
    {
        format(string, sizeof(string), "GODLIKE!(+7000)(%s)", kName);
        SendClientMessageToAll(0x33CCFFAA,string);
        GivePlayerMoney(killerid, 7000);
        return 1;
    }
    if (PlayerKills[killerid] == 18)
    {
        format(string, sizeof(string), "WICKED SICK!(+8000)(%s)", kName);
        SendClientMessageToAll(0x33CCFFAA,string);
        GivePlayerMoney(killerid, 8000);
        return 1;
    }
    if (PlayerKills[killerid] == 20)
    {
        format(string, sizeof(string), "LUDICROUS KILL!(+9000)(%s)", kName);
        SendClientMessageToAll(0x33CCFFAA,string);
        GivePlayerMoney(killerid, 9000);
        return 1;
    }
    if (PlayerKills[killerid] == 24)
    {
        format(string, sizeof(string), "HOLY SHIT!(+10000)(%s)", kName);
        SendClientMessageToAll(0x33CCFFAA,string);
        GivePlayerMoney(killerid, 10000);
        return 1;
    }
    return 1;
}