#include <stdio.h>
int find_max_element(int *ptr, int n) {
// Your logic here
int i = 0,max = ptr[0];
while (i < n)
{
if (max <= ptr[i])
{
max = ptr[i];
}
i++;
}
return max;
}
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;
}