s = input()
b = []
for ss in s:
	b.append(bin(ord(ss)-ord('A')+10)[2:])
c = ''.join(b)
if len(c)%3==1: c = '00'+c
if len(c)%3==2: c = '0'+c
c = [int(i) for i in c]
cnt = [0]*8
for i in range(0,len(c),3):
	cnt[c[i]*4+c[i+1]*2+c[i+2]] += 1
mc = max(cnt)
ans = []
for i in range(8):
	if cnt[i]==mc:
		ans.append(i)
print(*ans)