a =input().split()
y = a[0]
m = a[1]
d = a[2]

def double(n):
    if len(n)==1:
        return "0"+n
    else:
        return n

m = double(m)
d = double(d)

judge = int(y + m + d)

if 19691231<=judge<=20380120:
    print("YES")
else:
    print("NO")