class Program
    {
        static void Mahsanit1(Stack<char> s1, int x)
        {
            char A;
            Stack<char> S2 = new Stack<char>();

            while (!s1.IsEmpty())
            {
                A = s1.Pop();

                for (int i = 0; i < x; i++)
                    Console.Write(A);                }
                S2.Push(A);
            }
            while (!S2.IsEmpty())
            {
                s1.Push(S2.Pop());
            }
        }
        static void Mahsanit2(Stack<int> s1)
        {
            int intLow, intTemp;
            Stack<int> tempint = new Stack<int>();

            intLow = s1.Pop();
            tempint.Push(intLow);

            while (!s1.IsEmpty())
            {
                intTemp = s1.Pop();
                if (intLow > intTemp)
                {
                    intLow = intTemp;
                }
                tempint.Push(intTemp);
            }
            while (!tempint.IsEmpty())
            {
                s1.Push(tempint.Pop());
            }
            Console.WriteLine("The smallest number is {0}", intLow);
        }
        static void Mahsanit3(Stack<int> stacknumber, Stack<int> stacknumber2)
        {
            int intTemp, intTemp2;
            Stack<int> tempint = new Stack<int>();
            Stack<int> tempint2 = new Stack<int>();
            Stack<int> tempint3 = new Stack<int>();

            while (!stacknumber.IsEmpty())
            {
                intTemp = stacknumber.Pop();
                intTemp2 = stacknumber2.Pop();
                if (intTemp != intTemp2)
                {
                    tempint.Push(intTemp);
                }

                tempint2.Push(intTemp);
                tempint3.Push(intTemp2);
            }
            while (!tempint2.IsEmpty() && !tempint3.IsEmpty())
            {
                stacknumber.Push(tempint2.Pop());
                stacknumber2.Push(tempint3.Pop());
            }
        }
        static void Mahsanit4(Stack<int> stacknumber3)
        {
            int intTemp, intCount = 0;
            Stack<int> tempint = new Stack<int>();
            while (!stacknumber3.IsEmpty())
            {
                intTemp = stacknumber3.Pop();
                if ((intTemp % 10) == 3)
                {
                    intCount++;
                }
                tempint.Push(intTemp);
            }
            while (!tempint.IsEmpty())
            {
                stacknumber3.Push(tempint.Pop());
            }
        }
        static void Mahsanit5(Stack<int> stacknumber4, Stack<int> stacknumber5)
        {
            int intTemp, intTemp2;
            Stack<int> tempint = new Stack<int>();
            Stack<int> tempint2 = new Stack<int>();
            Stack<int> tempint3 = new Stack<int>();

            while (!stacknumber4.IsEmpty())
            {
                intTemp = stacknumber4.Pop();
                intTemp2 = stacknumber5.Pop();
                if (intTemp == intTemp2)
                {
                    tempint.Push(intTemp);
                }

                tempint2.Push(intTemp);
                tempint3.Push(intTemp2);
            }
            while (!tempint2.IsEmpty() && !tempint3.IsEmpty())
            {
                stacknumber4.Push(tempint2.Pop());
                stacknumber5.Push(tempint3.Pop());
            }
        }
        static void Mahsanit6(Stack<int> stacknumber, Stack<int> stacknumber2)
        {
            int intTemp, intTemp2;
            Stack<int> tempint = new Stack<int>();
            Stack<int> tempint2 = new Stack<int>();
            Stack<int> tempint3 = new Stack<int>();

            while (!stacknumber.IsEmpty())
            {
                intTemp = stacknumber.Pop();
                intTemp2 = stacknumber2.Pop();
                if (intTemp == intTemp2)
                {
                    tempint.Push(intTemp);
                }

                tempint2.Push(intTemp);
                tempint3.Push(intTemp2);
            }
            while (!tempint2.IsEmpty() && !tempint3.IsEmpty())
            {
                stacknumber.Push(tempint2.Pop());
                stacknumber2.Push(tempint3.Pop());
            }
        }
        static void Mahsanit7(Stack<int> stacknumbermamoca)
        {
            int intTemp, intSum, intCount;
            Stack<int> tempint = new Stack<int>();

            while (!stacknumber.IsEmpty())
            {
                intTemp = stacknumbermamoca.Pop();
                intSum += intTemp;
                intCount++;

                tempint.Push(intTemp);
            }
            Console.WriteLine(" the Avarage is {0}", ( intSum / intCount ));
            while (!tempint.IsEmpty())
            {
                stacknumbermamoca.Push(tempint.Pop());
            }
        }
    }
}