int main(){
	int n;
	cin>>n;
	vector<int> meti;
	for(int i=0; i<n; i++){
		int a;
		cin>>a;
		meti.push_back(a);
	}
	int left = 0;
	int right = meti.size();
	while(right!=left) {
		if(meti[(left+right)/2]<=curr){
			left = (left+right)/2+1;
		}else{
			right = (left+right)/2;
		}
	}
	cout<<left<<endl;
	return 0;
}