import sys
#input = sys.stdin.readline #文字列につけてはダメ
input = sys.stdin.buffer.readline #文字列につけてはダメ
#sys.setrecursionlimit(1000000)
#import bisect
#import itertools
#import random
#from heapq import heapify, heappop, heappush
#from collections import defaultdict 
#from collections import deque
#import copy
#from functools import lru_cache


def main():
    n,s = map(int,input().split())
    if (25 <= s and s <= 29*n):
        print("Yes")
    else:
        print("No")


if __name__ == '__main__':
    main()