using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace aplicatiecuvectori
{
    public partial class Form1 : Form
    {
        int n, sp = 0, ci=0, i=1, contor = 0;
        int[] V = new int[100];


        public Form1()
        {
            InitializeComponent();
        }



        private void label1_Click(object sender, EventArgs e)
        {
        }



        private void label2_Click(object sender, EventArgs e)
        {
        }

        private void button1_Click(object sender, EventArgs e)
        {
            n = int.Parse(textBox1.Text);
            textBox1.Text = " ";
        }

        private void button2_Click(object sender, EventArgs e)
        {
            if (n >= i)
            {
                V[i] = int.Parse(textBox2.Text);
                i++;
                richTextBox1.Text = richTextBox1.Text + " " + textBox2.Text;




                textBox2.Text = " ";
            }
            else textBox2.Enabled = false;

        }

        private void button3_Click(object sender, EventArgs e)
        {
            for (i = 1; i <= n; i++)
            {
                if (V[i] % 2 != 0)
                    ci++;
            }
            textBox3.Text = ci.ToString();
        }

        private void button4_Click(object sender, EventArgs e)
        {
            for (i = 1; i <= n; i++)
                if (V[i] % 2 == 0)
                    sp = sp + V[i];
            textBox4.Text = sp.ToString();
        }
    }
}