#include <bits/stdc++.h> 
using namespace std; 
int main ()
{ 
    int n,a;
    long long sum = 1;
	cin >> n;
	for (int i = 0;i < n; i++) {
		cin >> a;
		if (sum * a> 1000000) {
			cout << ">1000000" << endl ;
			return 0 ;
		}
		sum = sum * a;
	} 
	cout << sum << endl ;
    return 0 ;
}