#include <iostream>
using namespace std;
int main()
{
int n, a, sum = 1;
cin >> n;
bool f = true;
while (n--)
{
cin >> a;
sum *= a;
if (sum > 1000000)
{
cout << ">1000000";
f = false;
break;
}
}
if (f)
cout << sum;
return 0;
}