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#include <iostream>

using namespace std;
long int getReverse(long int number);
long int doubleNumberAndRevert(long int number);

int main()
{
    int sk=0;
    int sk2=0;
    int sk3=0;
    int number=0;
    cout<<"Iveskite skaiciu \n";
    cin >> sk;

    // sk2 = getReverse(sk);

    sk2 = doubleNumberAndRevert(sk);
    sk3 = getReverse(doubleNumberAndRevert(sk));


    cout << "Pradinis Skaicius:" << sk << endl;
    cout << "Padvigubinus:" << sk3 << endl;
    cout << "Padvigubinus ir apvertus:" << sk2 << endl;


    return 0;
}


long int getReverse(long int number)
{
    long int
    reverseNumber = 0,
    digit = 0;

    do
    {
        digit = number % 10;
        reverseNumber = (reverseNumber * 10) + digit;
        number = number / 10;
    } while (number != 0);

    return reverseNumber;
}

long int doubleNumberAndRevert(long int number)
{
    long int
    newNumber = 0,
    digit = 0;

    do
    {
        digit = number % 10;
        newNumber = newNumber * 100 + digit * 10 + digit;
        number = number / 10;
    } while (number != 0);

    return newNumber;
}