#include <stdlib.h>
#include <stdio.h>
#include <string.h>


void rotar(int *a, int *b, int *c, int *d) //funcion que dado 4 punteros, rota sus valores
{
	int aux;
	aux=*a;
	*a=*d;
	*d=*c;
	*c=*b;
	*b=aux;
}



int main(int argc, char const *argv[])
{	
	int *a, *b, *c, *d;
	a=(int*)malloc(sizeof(int));
	b=(int*)malloc(sizeof(int));
	c=(int*)malloc(sizeof(int));
	d=(int*)malloc(sizeof(int));

	if ( argc== 5)
	{
		a=(int*)malloc(sizeof(int));
		b=(int*)malloc(sizeof(int));
		c=(int*)malloc(sizeof(int));
		d=(int*)malloc(sizeof(int));
		*a=atoi(*(argv+1));
		*b=atoi(*(argv+2));
		*c=atoi(*(argv+3));
		*d=atoi(*(argv+4));

		printf("a 	b 	c 	d\n");
		printf("%d	%d	%d	%d \n",*a,*b,*c,*d );
		rotar(a,b,c,d);
		printf("%d	%d	%d	%d \n",*a,*b,*c,*d );
		free(d);
		free(c);
		free(b);
		free(a);
	}
	else 
	{
		printf("Cantidad de argumentos insuficientes\n");
	}
}