FirstSolutionRosi

package com.company;

import java.util.Scanner;
import java.util.Stack;

public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        Stack<Integer> st = new Stack<Integer>();

        int count = sc.nextInt();
        int countToPop = sc.nextInt();
        int numToCheck = sc.nextInt();

        int minNumber = Integer.MAX_VALUE;

        sc.nextLine();

        for (int i = 0; i < count; i++) {
            st.push(sc.nextInt());
        }

        if (st.isEmpty()){
            System.out.println(0);

        } else {
            for (int i = 0; i < countToPop; i++) {
                st.pop();
            }
             if (st.size() == 0){
                 System.out.println(0);
                 return;
             }

            if (st.contains(numToCheck)){
                System.out.println(true);
            } else {
                int size = st.size();
                for (int i = 0; i < size; i++) {
                    if (minNumber > st.peek()){
                        minNumber = st.pop();
                    } else {
                        st.pop();
                    }
                }
                System.out.println(minNumber);
            }
        }
    }
}