def Right(a, b, x):
    a += x
    b += x
    if a < N and a < b:
        return True
    else:
        return False

def Left(a, b, x):
    a -= x
    b -= x
    if 0 <= a and b < a:
        return True
    else:
        return False

N = int(input())
a,b,c = map(int,input().split())
a -= 1
b -= 1
c -= 1
R = N - c
L = c + 1
if Right(a, b, R) or Left(a, b, L):
    print('Yes')
else:
    print('No')