تبلیغات
 k = Convert.ToInt32(textBox1.Text);
            j = k;
            i = 0;
            while (k > 0)
            {
                a[i] = k % 10;
                i++;
                k /= 10;
            }
            for (i = 0; i < a.Length; i++)
            {
                a[i] =( a[i]+ 3)*10;
            }
            for (i = 0; i < a.Length; i++)
            {
                label1.Text += a[i].ToString();
            }