def say(s);puts s;exit 0;end

n = gets.to_i
say "YES" if n == 1
say "NO"  if n == 0

last = 99

while n > 0 && last > 0
    l = n.bit_length
    #p [n,(1 << l)-1]
    x = (1 << l)-1
    say "YES" if x == n && last != l
    n -= (1 << (l-1))-1
    last = l-1
end

say "NO"