#include <iostream>
using namespace std;
 
const int MAX_SIZE = 100000;
 
int main() {
	int n, m;
	cin >> n >> m;
	int sentData[MAX_SIZE + 1] = {0};
	for (int i = 0; i < n; ++i) {
		cin >> sentData[i];
	}
	int recievedData[MAX_SIZE + 1] = {0}, missingDataCount = 0;
	for (int j = 0; j <= n - m; ++j) {
		cin >> recievedData[j];
		while (sentData[j + missingDataCount] != recievedData[j]) {
			cout << sentData[j + missingDataCount] << " ";
			++missingDataCount;
		}
	}
	if (!missingDataCount) {
		cout << "Nu s-au pierdut date";
	}
	return 0;
}

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NyAzCjEyIDMyIDQ1IDg3IDEwMCAyOSAzNAoxMiA4NyAxMDAgMzQ=

7 3
12 32 45 87 100 29 34
12 87 100 34