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
#import math
#from functools import lru_cache
#@lru_cache(maxsize=None)
#MOD = pow(10,9) + 7
#MOD = 998244353
#dx = [1,0,-1,0]
#dy = [0,1,0,-1]


def main():
    N = int(input())
    a,b,c = map(int,input().split())
    c += N
    a-=1; b-=1; c -= 1
    if a <= c <= a+N-1 and b < a:
        print('Yes')
    elif a + N+1 <= c < 2*N and a < b:
        print('Yes')
    else:
        print('No')



if __name__ == '__main__':
    main()