1#!/usr/bin/env python3
2"""
3Given a list of numbers on stdin, add them together and print the result
4as a human-readable data size.
5
6Example:
7
8    echo -e '100 \n 201287 \n 3190817' | sumsizes
9
10"""
11
12import sys
13
14import humanize
15
16
17if __name__ == "__main__":
18    total = sum(int(line) for line in sys.stdin.readlines())
19
20    print(humanize.naturalsize(total))