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

L = [0 for _ in range(X)]

for _ in range(N):
    A, B = map(int, input().split())
    L[A - 1] = max(L[A - 1], B)
    
    power = B
    for i in range(power):
        if 0 <= A - 1 + i < X:
            L[A - 1 + i] = max(L[A - 1 + i], B - i)
        else:
            break

    for i in range(power):
        if 0 <= A - 1 + i < X:
            L[A - 1 - i] = max(L[A - 1 - i], B - i)
        else:
            break
    
for i in range(X):
    print(L[i], end = " ")