s = input()

if 15 - len(s) + s.count("o") >= 8:
    print("YES")
else:
    print("NO") s = input() s input() input if 15 - len(s) + s.count("o") >= 8:
    print("YES")
else:
    print("NO") 15 - len(s) + s.count("o") >= 8 15 - len(s) + s.count("o") 15 - len(s) 15 len(s) len s s.count("o") s.count s count "o" 8 print("YES") print "YES" print("NO") print "NO" s = input() input() s
s = input()

if 15 - len(s) + s.count("o") >= 8:
    print("YES")
else:
    print("NO")