#include <iostream>

using namespace std;

int a;

int main()
{
    for (int i=900; i<=999; i++)
        for (int j=900; j<=999; j++)
        {
            a=i*j;
            if(((a/100000)%10==(a%10))&&((a/10000)%10==(a/10)%10)&&((a/1000)%10==(a/100)%10))
                cout << i << " x " << j << "  = " << a << endl;
        }
    return 0;
}