>>748
#include <iostream>
#include <iomanip.h>
using namespace std;

int main(){
int n;

cout << "Input n : ";
cin >> n;

if (n <= 0 || n >= 10){
cout << "Good bye" << endl;
} else {
cout << " ";
for (int i = 1; i <= n; i++) cout << setw(3) << i ;
cout << endl;
for (int i = 1; i <= n; i++){
cout << i;
for (int j = 1; j <= n; j++) cout << setw(3) << i * j;
cout << endl;
}
}
return 0;
}