#include <iostream>
#include <cstdlib>

using namespace std;

int main()
{
    cout << "Enter a number (1-12) to see its multiplication table: ";
    int number;
    cin >> number;
    
    if (!cin) {
        cerr << "Invalid input. Please enter a number.\n";
        return EXIT_FAILURE;
    }
    
    if (number < 1 || number > 12) {
        cerr << "Please enter a number between 1 and 12.\n";
        return EXIT_FAILURE;
    }
    
    cout << "Multiplication table for " << number << ":\n";
    
    int counter = {1};
    while (counter <= 12) {
        cout << number << " x " << counter << " = " << (number * counter) << "\n";
        ++counter;
    }
    
    return EXIT_SUCCESS;
}