asda?‰PNG

   
IHDR   ?   f   ??C1   
sRGB ??é   gAMA  ±?üa   	pHYs  ?  ?
?o¨d  GIDATx^íüL”÷e÷Y?a?("Bh?_ò???￠§?q5k?*:t0A-o??￥]VkJ￠M??f?±8\k2íll￡1]q?ù???T

import os

if __name__ == '__main__':
    while True:
        buf = os.read(0, 1024)
        if not buf:
            break
        try:
            os.write(1, b'OUT:'+buf)
        except OSError as ex:
            os.write(2, b'ERR:' + ex.__class__.__name__.encode('ascii'))