#include <iostream>
using namespace std;

int main() {
	int n, howMany = 0, j = 1;
	int v[10], samePosition[10];
	for (int i = 1; i <= n; ++i) {
		cin >> v[i];
	}
	for (int i = 1; i <= n; ++i) {
		if (v[i] == i) {
			samePosition[j] = v[i];
			++j;
			++howMany;
		}
	}
	for (int i = 1; i <= howMany; ++i) {
		cout << samePosition[i] << " ";
	}
	return 0;
}