#include <stdio.h>
int find_max_element(int *ptr, int n) {
// Your logic here
int max_element = *ptr;
for (int i = 1; i < n; ++i)
max_element = (max_element < *(ptr + i)) ? (*(ptr + i)) : (max_element);
return max_element;
}
int main() {
int n;
scanf("%d", &n);
int arr[100];
for (int i = 0; i < n; i++) {
scanf("%d", &arr[i]);
}
int result = find_max_element(arr, n);
printf("%d", result);
return 0;
}