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#include <iostream>
#include <cstdio>
using namespace std;
int a[101],n;
void quicksort(int left,int right) {
int i,j,t,tmp;
if(left>right)
return ; //当i变为left值，进入第一个递归，right变为0，此时return 结束此递归函数。
tmp=a[left];
i=left;
j=right;
while(i!=j) {
while(a[j]>=tmp && i<j)
j--;
while(a[i]<=tmp && i<j)
i++;
if(i<j) {
t=a[i];
a[i]=a[j];
a[j]=t;
}
a[left]=a[i];
a[i]=tmp;
quicksort(left,i-1);
quicksort(i+1,right);
return ;//此处return结束的是这个quicksort函数
int main() {
int i,j;
cin>>n;
for(i=1; i<=n; i++) {
cin>>a[i];
quicksort(1,n);
cout<<a[i];
return 0;
