//这里填你的代码^^
//注意代码要放在两组三个点之间，才可以正确显示代码高亮哦~

include[HTML_REMOVED]

using namespace std;
int a[100005];
int n;
signed main()
{
cin>>n;
for(int i=0;i[HTML_REMOVED]>a[i];
sort(a,a+n);
int ans =0 ;
for(int i=0;i[HTML_REMOVED]>1];
cout<<ans<<endl;
return 0;
}