#include <bits/stdc++.h>
using namespace std;
int main(){
    int a[15]={0},m=0,n,e,f=0;
    cin>>n;
    for(m=0;m<n;m++){
    	cin>>a[m];
    }
    cin>>e;
    for(m=0;m<n;m++){
    	if(a[m]==e){
    		f++;
    		if(f==1){
    			cout<<m+1<<" ";
    		}
    	}
    	
    	
    	
    	
}
cout<<f;
}
/**************************************************************
	Problem: 2037
	User: lvrenxiang
	Language: C++
	Result: Runtime Error
****************************************************************/