n, m = map(int, input().split())

a = [i for i in range(1, n + 1)]
for i in range(m):
    xp, yp, xq, yq = map(int, input().split())
    a[xp - 1], a[xq - 1] = a[xq - 1], a[xp - 1]

for i in range(n):
    print(a.index(i + 1) + 1)