#include <stdio.h>

void imprimir_mes(int dia_inicial, int cantidad_dias)
{
	printf(" D  L  K  M  J  V  S\n");
	for ( int i = 0; i < dia_inicial; ++i )
		printf("   ");
	for ( int i = 0; i < cantidad_dias; ++i )
	{
		printf("%2i ", i + 1);
		if ( (dia_inicial + i + 1) % 7 == 0 )
			putchar('\n');
	}
	putchar('\n');
}

int main()
{
	imprimir_mes(4, 30);
	return 0;
}