S = input()
if S.count("x") < 8: print("YES")
else: print("NO")   S = input() S input() input if S.count("x") < 8: print("YES")
else: print("NO")   S.count("x") < 8 S.count("x") S.count S count "x" 8 S = input() input() S
S = input()
if S.count("x") < 8: print("YES")
else: print("NO")  