N, X = map(int, input().split())

res = [0] * X
indexlist = []

for _ in range(N):
	index, val = map(int, input().split())
	res[index-1] = val
	indexlist.append(index-1)

for i in indexlist:
	cur = res[i] - 1
	for j in range(i+1, X):
		if res[j] <= cur:
			res[j] = cur
			cur -= 1
		else:
			break
	cur1 = res[i] - 1
	for j in reversed(range(0, i)):
		if res[j] <= cur1:
			res[j] = cur1
			cur1 -= 1
		else:
			break
			
print(*res)