#include <stdio.h>
int find_max_element(int *ptr, int n) {
// Your logic here
// initially consider the max element of an array is 1st element
int max_ele = *ptr;
for (int i=1; i<n; i++)
{
if (*(ptr+i) > max_ele)
max_ele = *(ptr+i);
}
return max_ele;
}
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;
}