菜鸟驿站

#include <iostream>
#include <vector>
using namespace std;
int main() {
	int n;
	cin >> n;
	vector<int> genes(n);
	for (int i = 0; i < n; ++i) {
    		cin >> genes[i];
	}
	vector<int> normal_genes;
	for (int gene : genes) {
    		if ((gene * gene) % 7 != 1) {
        		normal_genes.push_back(gene);
    		}
		}
		for (size_t i = 0; i < normal_genes.size(); ++i) {
    		if (i != 0) {
        		cout << " ";
    		}
    		cout << normal_genes[i];
	}
	cout << endl;
	return 0;
}