4-bit Binary Decoder

I have made this because the result of my calculator is in binary form, therefore, I want to make that become decimal. I have invented this decoder for myself and for all. This still need debug, thanks!!
If you find any problem or bugs, feel free to leave a comment or send an email to me!
tonyau0077@yahoo.com.hk

This will be built in my own server!
acminecraft.no-ip.org
OR
ackminecraft.no-ip.org

It is at the location of
X:4142
Y:76
Z:103

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