def f(s): summa=0 for i in range(len(s)): summa+=int(s[i]) return summa for n in range(10000): a=bin(n)[2:] if f(a)%2==0: a+='0' else: a+='1' if f(a)%2==0: a='0'+a else: a='1'+a r=int(a,2) if r>97: print(n)