#include <bits/stdc++.h>
using namespace std;
int a[101];

int main() {
	int n;
	cin >> n;
	for (int i = 1; i <= n + 1; i++) {
		cin >> a[i];
	}
	if (n == 0) {
		cout << a[1];
		return 0;
	}
	for (int i = 1; i < n + 1; i++) {
		if (i == 1) {
			if (a[i] > 1)
				cout << a[i] << "x^" << n + 1 - i;
			else if (a[i] < -1)
				cout <<  a[i] << "x^" << n + 1 - i;
			else if (a[i] == 1)
				cout << "x^" << n + 1 - i;
			else if (a[i] == -1)
				cout << "-" << "x^" << n + 1 - i;
		}
		if (i > 1) {
			if (a[i] > 1)
				cout << "+" << a[i] << "x^" << n + 1 - i;
			else if (a[i] < -1)
				cout <<  a[i] << "x^" << n + 1 - i;
			else if (a[i] == 1)
				cout << "+" << "x^" << n + 1 - i;
			else if (a[i] == -1)
				cout << "-" << "x^" << n + 1 - i;
		}
	}
	if (a[n + 1] > 0)
		cout << "+" << a[n + 1];
	if (a[n + 1] < 0)
		cout << "-" << a[n + 1];
	return 0;
}