# [Python 3], <s>169</s> <s>101</s> 93 bytes

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    print("".join([chr(int("".join(str(int(b<"C"))for b in c[::4]),2))for c in input().split()]))

[Try it online!]

[Python 3]: https://docs.python.org/3/
[Try it online!]: https://tio.run/nexus/python3#@19QlJlXoqGkpJeVn5mnEZ2cUaSBLFBcAuEn2Sg5K2lqpuUXKSQpZOYpJEdbWZnEauoYQcSSQWKZeQWlJRqaesUFOZlAOlZT8/9/t8yqKqdSCIaxQTQMK@BTAGIrIHOQdcLEAA "Python 3 – TIO Nexus"