N, X = map(int, input().split())
town = [0]*1001

for _ in range(N):
    A, B = map(int, input().split())
    town[A] = max(town[A], B)
    for i in range(1, B):
        if A+i <= 1000:
            town[A+i] = max(town[A+i], B-i)
        if A-i >= 0:
            town[A-i] = max(town[A-i], B-i)

print(*town[1:X+1])