I love shortcuts

flag = "ƃŰŶʼnůļźŞŷŭŪƄŰŘŰŧŖŔŦĦŨĬƀźōşŋůIJňijźĖőƃũťũŸŪĞ" flag = [~(c^i)*(-int(1/(50.5) * ((1 + 50.5)1 / 2 - (1 - 50.5)1 / 2))) + len(flag) * 6 + 15 for i, c in enumerate([ord(a) for a in flag[::-int(1/(50.5) ((1 50.5)1 / 2 - (1 - 50.5)1 / 2))]])] print(tostr(flag))

0CTF{R___E__D___A___C____T_____E____D___}