y,m,d=map(int,input().split())
if y<1989 or y>2019:
    print("No")
elif y>1989 and y<2019:
    print("Yes")
elif y==1989:
    if m>1 or d>7:
        print("Yes")
    else:
        print("No")
else:
    if m<5:
        print("Yes")
    else:
        print("No")