N = int(input())
a, b, c = map(int, input().split())
a-=1
b-=1
c-=1
c += N
if b<a:
    if a+N>c:
        print("Yes")
    else:
        print("No")
else:
    if (c+N)%(N*2)>a:
        print("Yes")
    else:
        print("No")