by@xuzijian629_key
WA
loop{p (8*gets.to_i(2)+1)**0.5%2-1?0:1}
00100100 00101101 00111011 00101011 01100101 10001111 11100111 11101001 00001010 10111110 00000110 00000110 01101111 01001110 00000000 11111101 01111000 00000011 00010101 00000101 01101001 10000110 00011000 01011011 10110110 11000100 01000010 00011100 11100011 00000100 11001111 00110001 11010010 11010110 11110000 00001111 10011001 10001110 00110111 01101110 11010001 10001000 11111111 00000001 10101011 10101000 00010100 01100010 00000000 01010101
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
/volume/CODE:1:in `to_i': wrong number of arguments (given 1, expected 0) (ArgumentError) from /volume/CODE:1:in `block in <main>' from /volume/CODE:1:in `loop' from /volume/CODE:1:in `<main>'