#include<iostream>
using namespace std;
int main()
{
cout << "1x1=1" << endl;
cout << "2x2=4" << endl;
cout << "3x3=9" << endl;
cout << "4x4=16" << endl;
cout << "5x5=25" << endl;
cout << "6x6=36" << endl;
cout << "7x7=49" << endl;
cout << "8x8=64" << endl;
cout << "9x9=81" << endl;
return 0;
}