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#include <cstdio>
#include <cassert>
#include <algorithm>
#include <queue>
#include <map>


struct Node {
	int b, e;
	int minValue;
	int s1, s2;
};

struct Key {
	int b, e;
	int resIdx;
	int pIdx;
	int x;
};


const int MAX = 500500;
int n, m;
int t[MAX], p[MAX], x[MAX], res[MAX];
Node tree[2 * MAX];
int tIdx;
int pIdx2cIdxSize[MAX];
int pIdx2cIdxCnt[MAX];
int pIdx2cIdxTotal[MAX];
int *pIdx2cIdxV[MAX];
int cIdxsF[MAX];


int tCreate(int b, int e) {
	assert(b <= e);
	int i = tIdx++;
	tree[i].b = b;
	tree[i].e = e;
	tree[i].minValue = MAX;

	if (tree[i].b < tree[i].e) {
		int split = (tree[i].b + tree[i].e) / 2;
		tree[i].s1 = tCreate(b, split);
		tree[i].s2 = tCreate(split + 1, e);
	}

	return i;
}

void tSet(int cIdx, int value, int i = 0) {
	assert(tree[i].b <= cIdx);
	assert(cIdx <= tree[i].e);

	if (tree[i].b < tree[i].e) {
		int split = (tree[i].b + tree[i].e) / 2;
		if (cIdx <= split) {
			tSet(cIdx, value, tree[i].s1);
		} else {
			tSet(cIdx, value, tree[i].s2);
		}
		tree[i].minValue = std::min(tree[tree[i].s1].minValue, tree[tree[i].s2].minValue);
	} else {
		tree[i].minValue = value;
	}
}

int tGetMin(int b, int e, int i = 0) {
	assert(b <= e);
	assert(tree[i].b <= b);
	assert(e <= tree[i].e);

	if (tree[i].b == b && tree[i].e == e) {
		return tree[i].minValue;
	}

	assert(tree[i].b < tree[i].e);
	int split = (tree[i].b + tree[i].e) / 2;
	if (e <= split) {
		return tGetMin(b, e, tree[i].s1);
	}
	if (b > split) {
		return tGetMin(b, e, tree[i].s2);
	}
	return std::min(
		tGetMin(b, split, tree[i].s1),
		tGetMin(split + 1, e, tree[i].s2)
	);
}

int getIdxs(int b, int e, int value, int *cIdxs) {
	assert(b <= e);
	assert(pIdx2cIdxV[value] != nullptr);

	auto bIter = std::lower_bound(pIdx2cIdxV[value], pIdx2cIdxV[value] + pIdx2cIdxSize[value], b);
	assert(*bIter >= b);

	int size = 0;
	while (bIter != pIdx2cIdxV[value] + pIdx2cIdxSize[value] && *bIter <= e) {
		cIdxs[size++] = *bIter;
		bIter++;
	}
	return size;
}

void calc(int b, int e, int resIdx, int pIdx, int tValue) {
	Key key;
	key.b = b;
	key.e = e;
	key.resIdx = resIdx;
	key.pIdx = pIdx;
	key.x = tValue;

	std::vector<Key> Q;
	Q.push_back(key);

	std::vector<std::pair<int, int> > xIdx;
	std::map<int, int> cSize;

	while (!Q.empty()) {
		key = Q.back();
		Q.pop_back();
		b = key.b;
		e = key.e;
		resIdx = key.resIdx;

		t[key.pIdx] = key.x;

		pIdx = (b == e ? MAX : tGetMin(b, e));
		if (pIdx == MAX) {
			for (int c = b; c <= e; c++) {
				res[resIdx++] = c;
			}
			continue;
		}
		assert(pIdx < n);

		int *cIdxs = cIdxsF + 1;
		int cIdxsSize = getIdxs(b, e, pIdx, cIdxs);
		assert(cIdxsSize > 0);

		xIdx.resize(0);
		for (int c = 0; c < cIdxsSize; c++) {
			int cIdx = cIdxs[c];
			tSet(cIdx, MAX);
			xIdx.push_back(std::pair<int, int>(x[cIdx], cIdx));
		}
		if (b < cIdxs[0]) {
			--cIdxs;
			cIdxs[0] = b;
			++cIdxsSize;
			xIdx.push_back(std::pair<int, int>(t[pIdx], b));
		}
		cIdxs[cIdxsSize++] = e + 1;
		std::sort(xIdx.begin(), xIdx.end());

		cSize.clear();
		for (int c = cIdxsSize - 1; c > 0; c--) {
			cSize[cIdxs[c - 1]] = cIdxs[c] - cIdxs[c - 1];
		}
		int sum = 0;
		for (int c = 0; c < xIdx.size(); c++) {
			int tmp = cSize[xIdx[c].second];
			cSize[xIdx[c].second] = sum;
			sum += tmp;
		}
		assert(sum == e - b + 1);

		for (int c = cIdxsSize - 1; c > 0; c--) {
			key.b = cIdxs[c - 1];
			key.e = cIdxs[c] - 1;
			key.resIdx = resIdx + cSize[key.b];
			key.pIdx = pIdx;
			key.x = x[key.b];
			Q.push_back(key);
		}
	}
}


int main(int argc, char *argv[]) {
	scanf("%i%i", &n, &m);
	for (int c = 0; c < n; c++) {
		scanf("%i", t + c);
	}
	tCreate(1, m);
	for (int c = 2; c <= m; c++) {
		scanf("%i%i", p + c, x + c);
		tSet(c, p[c] - 1);
		pIdx2cIdxSize[p[c] - 1]++;
	}
	int offset = 0;
	for (int c = 2; c <= m; c++) {
		int idx = p[c] - 1;
		if (pIdx2cIdxSize[idx] > 0 && pIdx2cIdxV[idx] == nullptr) {
			pIdx2cIdxV[idx] = pIdx2cIdxTotal + offset;
			offset += pIdx2cIdxSize[idx];
		}
	}
	assert(offset == m - 1);
	for (int c = 2; c <= m; c++) {
		int idx = p[c] - 1;
		pIdx2cIdxV[idx][pIdx2cIdxCnt[idx]++] = c;
	}

	calc(1, m, 0, 0, t[0]);

	for (int c = 0; c < m; c++) {
		printf("%i ", res[c]);
	}
	printf("\n");

	return 0;
}