#include <iostream>
int avarangeFunc(int array[], int n)
{
int avarange = 0;
for(int i = 0; i < n; i++)
{
avarange += array[i];
}
return static_cast<int>(avarange/n);
}
int main() {
int n;
std::cin >> n;
if (n < 1) {
return 0;
}
int* array = new int[n];
for(int i = 0; i < n; i++)
std::cin >> array[i];
std::cout << avarangeFunc(array, n) << std::endl;
delete[] array;
return 0;
}