n, k = map(int, input().split())
a, b, c = map(int, input().split())
k = k % n
s = n
s = min(s, abs(a - k))
s = min(s, k + n - a)
s = min(s, abs(b - k))
s = min(s, k + n - b)
s = min(s, abs(c - k))
s = min(s, k + n - c)
print(s)