openedFiles = open("INPUT.txt")
openedFile = openedFiles.read()
a = 0
b = 0
c = 0
d = 0

g = 0

if openedFile.split(" ")[0] == 1:
    a = 2
    print(a)
elif openedFile.split(" ")[1] == 1:
    b = 1
    print(b)
elif openedFile.split(" ")[2] == 1:
    c = 1
    print(c)
elif openedFile.split(" ")[3] == 1:
    d = 1
    print(d)
else:
    a = 0
    b = 0
    c = 0
    d = 0

g = a + b + c + d
print(g)

if g > 2:
    print('YES')
else:
    print('NO')