packet numbers to opcodes

function DEC_HEX(IN)
    local B,K,OUT,I,D=16,"0123456789ABCDEF","",0
    while IN>0 do
        I=I+1
        IN,D=math.floor(IN/B),math.fmod(IN,B)+1
        OUT=string.sub(K,D,D)..OUT
    end

    while #OUT < 3 do
        OUT = "0"..OUT
    end
    return "0x"..OUT
end

a = {
1271,
305,
306,
306,
959,
1174,
502,
912,
1174,
502,
}
b = {
1271,
305,
306,
306,
959,
1174,
502,
912,
1174,
502,
912,
912,
1271,
477,
}

for k,v in ipairs(a) do
    print(DEC_HEX(v))
end
print()
for k,v in ipairs(b) do
    print(DEC_HEX(v))
end