#import numpy as np 


def get_data():
    Y, M, D = input().split(' ')
    
    return int(Y), int(M), int(D)

def heisei(Y,M,D):

    if Y > 1989 and Y<2019:
        return True

    elif Y==1989:
        if M == 1:
            if D<8:
                return False
            else:
                return True
        else:
            return True
    
    elif Y==2019:
        if M<5:
            return True
        else:
            return False
    
    else:
        return False
    


def main():
    Y, M, D = get_data()
    if heisei(Y,M,D):
        print("Yes")
    else:
        print("No")
        
if __name__=='__main__':
    main()