#include<iostream>
using namespace std;
int main(){
	unsigned  int n;
	cin>>n;
	int A[n];
	for(int i=0;i<n;i++){
		cin>>A[i];
	}
	int tg;
	for(int i=0;i<n-1;i++)
		for(int j=i+1;j<n;j++){
			if(A[i]<A[j]){
				tg=A[i];
				A[i]=A[j];
				A[j]=tg;
			}		
	}
    int dem=0;
	for(int i=0;i<n;i++)
	{
	    if(A[i]==A[0])
	    {
	       continue;
	    }
	    cout<<A[i];
        dem++;
	    break;
	}
    if(dem==0) cout<<"NOT FOUND";
	return 0;
}   

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