by@progrunner17
AC
while a=gets() b=a.to_i 2 i=0 while b>0 b-=i+=1 end p b==0 ?1:0end
11010010 00100000 10111110 11000011 00001001 11001100 01011011 00010101 00000011 11100111 11111101 01111000 10001000 01011001 01111100 01001011 10101010 10101011 00101101 00011000 00011011 00001010 10001011 00011010 00001111 01100011 01001110 11001010 00001010 00100100 00000001 00000110 10011111 01000010 00100011 10011000 01100111 01101100 01011011 00110111 01100101 00000000 10010100 10010111 00011100 01011111 00010001 01101001 10011001 01000101
1 0 1 0 0 0 1 1 1 1 1 1 1 0 0 0 0 1 1 0 0 1 0 0 1 0 1 0 1 1 1 1 0 1 0 0 0 0 1 1 0 1 0 0 1 0 0 1 1 0