#include <iostream>
using namespace std;
void set(int a[], int b[], int c[], int d[]);
void mult(int a[], int b[], int c[], int d[], int index, int index2);
void copy(int c[], int j);
void madd(int d[], int c[]);
void add(int a[], int b[], int c[], int index);

const int size = 10000;
int main ()
{
    int index, index2, *m, n, o, p, f;
    index = 0;
    index2= 0;
    int a[size], b[size], c[size], d[size];
        set(a, b, c, d);
        m = new int(0);
        cout << "Please enter in 2 numbers seperated by a space: ";
        cin >> m >> o;
        if (o > m)
        {
            int temp;
            temp = o;
            o = m;
            m = temp;
        }
        for (index; m > 0; index++)
        {
            n = m % 10;
            m = m / 10;
            a[index] = n;
        }
        for (index2; o > 0; index2++)
        {
            p = o % 10;
            o = o / 10;
            b[index2] = p;
        }
        mult(a, b, c, d, index, index2);
        add(a, b, c, index);
        for ( f = (size - 1); f >= 0; f--)
        {
            if (d[f] != 0)
                break;
        }
        for (int fun = (f); fun >= 0; fun--)
        {
            cout << d[fun];
        }
        cout << endl;
        for (f = (size - 1); f >= 0; f--)
        {
            if (c[f] != 0)
                break;
        }
        for (int fun = (f); fun >= 0; fun--)
        {
            cout << c[fun];
        }
}
void set(int a[], int b[], int c[], int d[])
{
    for (int i = 0; i < size; i++)
    {
        a[i] = 0;
        b[i] = 0;
        c[i] = 0;
        d[i] = 0;
    }
}
void mult(int a[], int b[], int c[], int d[], int index, int index2)
{
    for (int j = 0; j < index2; j++)
    {
        int z = 0;
        for (int i = 0; i <= (index); i++)
        {
            c[i] =  (a[i] * b[j]) + z;
            if (c[i] > 9)
            {
                z = (c[i] / 10);
                c[i] = (c[i] % 10);
            }
            else
            {
                z = 0;
            }
        }
        if (j > 0)
            copy(c, j);
        madd(d, c);

    }
}
void copy(int c[], int j)
{
    int *p;

    p = new int[1000000];
    for (int i = 0; i < size; i++)
    {
        p[i] = 0;
    }
    for (int i = 0; i < size; i++)
    {
        p[i+j] = c[i];
    }
    for (int i = 0; i < size; i++)
    {
        c[i] = p[i];
    }
    delete [] p;
}
void madd(int d[], int c[])
{
    int z;
    z = 0;
    for (int i = 0; i < size; i++)
    {
        d[i] = d[i] + c[i] + z;
        if (d[i] > 9)
        {
            z = (d[i] / 10);
            d[i] = (d[i] % 10);
        }
        else
        {
            z = 0;
        }
    }
    for (int i = 0; i < size; i++)
    {
        c[i] = 0;
    }
}
void add(int a[], int b[], int c[], int index)
{
    int z = 0;
    for (int i = 0; i <= index; i++)
    {
        c[i] = a[i] + b[i] + z;
        if (c[i] > 9)
        {
            z = (c[i] / 10);
            c[i] = (c[i] % 10);
        }
        else
        {
            z = 0;
        }
    }
}