bac 4/19/2022 3

#include <iostream>
#include <fstream>
#include <cmath>
using namespace std;
ifstream fin("bac.in");

int main() {
    int a, b, c, r = 0, minDif = 1e9;
    fin >> a >> b;
    while (fin >> c) {
        if (b > a && b > c && minDif >= abs(a - c) && r < b) {
            minDif = abs(a - c);
            r = b;
        }
        a = b, b = c;
    }

    if (!r) {
        cout << "nu exista" << endl;
    } else {
        cout << r << endl;
    }
    return 0;
}