/* STL */
#include <algorithm>
#include <deque>
#include <functional>
#include <iterator>
#include <list>
#include <map>
#include <memory>
#include <numeric>
#include <queue>
#include <set>
#include <stack>
#include <utility>
#include <vector>
/* STD */
#include <iostream>
#include <string>
#include <cstdlib>
#include <math.h>
using namespace std;

// 1.5. Алгоритм find Найти заданное значение в векторе

int main (int argc, char *argv[]) {
    vector<int> v;
    int x;
    cout << "Enter positive integers, followed by 0:\n";
    while (cin >> x, x != 0)
	v.push_back(x);
	
	cout << "Value to be searched for: ";
	cin >> x;
	vector<int>::iterator i = find(v.begin(), v.end(), x);
	if (i == v.end()) cout << "Not found\n";
	else {
	    cout << "Found";
	    if (i == v.begin()) cout << " as the first element";
	    else cout << " after " << *--i;
	}
	cout << endl;
	return 0;
}