#include <stdio.h>
int find_max_element(int *ptr, int n) {
// Your logic here
int counter = 0;
int number = *(ptr + counter);
while(counter < n-1)
{
if(number < *(ptr + counter + 1))
{
number = *(ptr + counter + 1);
//printf("%d \n",number);
}
counter++;
}
return number;
}
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;
}