<gh_stars>0
"""

Given the participants' score sheet for your University Sports Day, you are required to find the runner-up score. 
You are given n scores. Store them in a list and find the score of the runner-up.

Input Format:
The first line contains n. The second line contains an array A[]  of n integers each separated by a space.



Constraints:
2<=n<=10
-100<=A[i]<=100


Output Format:
Print the runner-up score.
"""


n=int(input())
if(n>=2 and n<=10):
    arr = map(int, input().split())
    arr=sorted(arr, reverse=True)
    
for i in range(len(arr)):
    if arr[i]==arr[0]:
        continue
    else:
        print(arr[i])  
        break
                    
