from sys import stdin

def main():
    Y, M, D = map(int, input().split())

    if any((1989 < Y < 2019,
            Y == 1989 and D >= 8,
            Y == 2019 and M <= 4 and D <= 30)):
        ans = 'Yes'
    else:
        ans = 'No'
    print(ans)

input = lambda: stdin.readline()
main()