by@cookies146
WA
while _&=1:_=1^((1+8*int(input(_),2))**.5%1>0)
01011011 11011011 11101000 10100111 01000010 00100100 00010100 10101011 01001001 00000110 00010101 11110100 11101010 00110011 11100110 00001010 00000011 11111011 10011101 11000000 01111100 01000000 10101011 11100111 10101110 10011001 10111110 00110111 00110000 01001110 00001111 00011100 00111011 11001111 11111101 10100101 01011000 01011001 01101001 10001000 00100100 01111000 00111001 00101101 00100101 01110110 00000000 11101011 11010010 00000001
File "/volume/CODE", line 1 while _&=1:_=1^((1+8*int(input(_),2))**.5%1>0) ^ SyntaxError: invalid syntax