#include <iostream>
#include <cstdint>
#include <vector>

using namespace std;

template<typename T> static inline constexpr T chmax(T& variable, const T value) noexcept
{
	if (variable < value) return (variable = value);
	else return variable;
}

static inline constexpr vector<uint32_t> solve(const uint32_t N, const uint32_t X, const vector<uint32_t>& A, const vector<uint32_t>& B)
{
	vector<uint32_t> L(X + 1, 0);
	for (uint32_t i = 0; i != N; ++i) L[A[i]] = B[i];

	uint32_t prev = 1;
	for (uint32_t i = 1; i != X + 1; ++i)
		prev = max<uint32_t>(chmax(L[i], prev - 1), 1);

	prev = 1;
	for (uint32_t i = X; i != 0; --i)
		prev = max<uint32_t>(chmax(L[i], prev - 1), 1);

	return L;
}

static inline void output(const uint32_t X, const vector<uint32_t>& L)
{
	cout << L[1];
	for (uint32_t i = 2; i != X + 1; ++i)
		cout << ' ' << L[i];
	cout << '\n';
}

int main()
{
	cin.tie(nullptr);
	ios::sync_with_stdio(false);
	
	uint32_t N, X, i;
	cin >> N >> X;
	vector<uint32_t> A(N), B(N);
	for (i = 0; i != N; ++i) cin >> A[i] >> B[i];

	output(X, solve(N, X, A, B));
	return 0;
}