a

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