#include <iostream>

using namespace std;

struct Slujitel{
	char ime_[20];
	char egn_[20];
	char otdel_[20];
	double zaplata_;
};

int main(){
	int i;
	int n;
	cin >> n;

	Slujitel E;

	int min_zaplata;

	for(i = 0; i < n; i++)
	{
		cin >> E.zaplata_;

		if(i == 0)
		{
			min_zaplata = E.zaplata_;
		}

		if(E.zaplata_ < min_zaplata)
		{
			min_zaplata = E.zaplata_;
		}
	}

	cout << min_zaplata << endl;

	return 0;
}