y,m,d=map(int,input().split())
if y<1989  or 2019<y:
    print("No")
    exit()

if y==1989:
    if d<8:
        print("No")
        exit()
    else:
        print("Yes")
        exit()

if y==2019:
    if m<4:
        print("No")
        exit()

print("Yes")