#2739

#include <iostream>
using namespace std;


int main() 
{
	int N;

	cin >> N;

	if (N < 1 || N >10) {
		return 0;
	}

	for (int i = 1; i <= 9; i++) {
		cout << N << " * " << i << " = " << N * i << endl;
	}
}

#10950

#include <iostream>
using namespace std;


int main() 
{
	int A, B;
	int T;

	cin >> T;

	for (int i = 0; i < T; i++) {
		cin >> A >> B;

		if (A < 0 || A>10 || B < 0 || B>10)
			return 0;

		cout << A + B << endl;
	}
}

#8393

#include <iostream>
using namespace std;

int main() 
{
	int n;
	int sum = 0;
	cin >> n;

	if (n < 1 || n>10000) {
		return 0;
	}

	for (int i = 1; i <= n; i++) {
		sum = sum + i;
	}

	cout << sum;
}

#2438

#include <iostream>
using namespace std;

int main() 
{
	int N;
	
	cin >> N;

	if (N < 1 || N>100) {
		return 0;
	}

	for (int i = 1; i <= N; i++) {
		for (int j = 1; j <= i; j++) {
			cout << "*";
		}
		cout << "\n";
	}
}

#2439

#include <iostream>
using namespace std;

int main() 
{
	int N;
	
	cin >> N;

	if (N < 1 || N>100) {
		return 0;
	}

	for (int i = 1; i <= N; i++) {
		for (int k = 1; k <= N - i; k++) {
			cout << " ";
		}

		for (int j = 1; j <= i; j++) {
			cout << "*";
		}
		cout << "\n";
	}
}

#10871

#include <iostream>
using namespace std;

int main() 
{
	int N, X;
	int m;
	
	cin >> N >> X;

	if (N < 1 || N>10000 || X <1 || X>10000) 
	{
		return 0;
	}

	for (int i = 0; i < N; i++) {
		cin >> m;
		if (m < X) {
			cout << m << " ";
		}
	}
}