23 lines
663 B
Python
23 lines
663 B
Python
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#!/usr/bin/env python3
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# Take each number mod 37 and map it to the following character set: 0-25 is the alphabet (uppercase), 26-35 are the decimal digits, and 36 is an underscore.
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with open('message.txt') as file:
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content = file.read().strip()
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print("picoCTF{", end="")
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for n in content.split(' '):
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number = int(n)
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number %= 37
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if number < 26:
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print(chr(number + ord('A')), end="")
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elif number >= 26 and number < 36:
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print(number - 26, end="")
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elif number == 36:
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print('_', end="")
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else:
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print()
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print(f"Code author seems to have forgotten a number.... {number}")
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exit(1)
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print("}")
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