from collections import Counter
S = input()
counter = Counter(S)
if counter["o"] + 15 - len(S) >= 8:
    print("YES")
else:
    print("NO") from collections import Counter S = input() S input() input counter = Counter(S) counter Counter(S) Counter S if counter["o"] + 15 - len(S) >= 8:
    print("YES")
else:
    print("NO") counter["o"] + 15 - len(S) >= 8 counter["o"] + 15 - len(S) counter["o"] + 15 counter["o"] counter "o" 15 len(S) len S 8 print("YES") print "YES" print("NO") print "NO" counter = Counter(S) Counter(S) counter S = input() input() S
from collections import Counter
S = input()
counter = Counter(S)
if counter["o"] + 15 - len(S) >= 8:
    print("YES")
else:
    print("NO")