#include <stdio.h>

int main(int argc, char* argv[])
{
	double valor = 0.0;
	printf("Ingrese el valor inicial: ");
	scanf("%lf", &valor);
	const char* format = "%2lu%20.4lf\n";
	for ( size_t i = 1; i <= 10; ++i )
		printf(format, i, i * valor);
	return 0;
}