#include <stdio.h>
int find_max_element(int *ptr, int n) {
int *max =ptr;
int *current= ptr+1;
while(current < ptr+n){
if(*current>*max){
max=current;
}
current++;
}
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;
}