tj

#include<bits/stdc++.h>
using namespace std;
int main()
{
	int n;
	cin>>n;
	if(n==0)
	{
		cout<<"Error"<<endl;
		return 0;
	}
	for(int i=1;i<=n;i++)
	{
		for(int j=1;j<=n;j++)
		{
			//printf("%dx%d=%2d ",i,j,i*j);
			cout<<i<<"x"<<j<<"="<<setw(2)<<i*j<<" ";
		}
		cout<<endl;
	}
	return 0; 
}