#include <stdio.h>
#include <stdlib.h>
int * func();
int main()
{
	int *a, i=0;
	char *p;
	p = (char * )malloc (sizeof(char));
	printf("%p", p);
	p = (char * )realloc (p,sizeof(char)*2);
	printf("%p", p);
	scanf("%c",p);
	while (*(p+i)!='\n')
	{
		//p = (char * )malloc (sizeof(char));
		i++;
		scanf("%c",p+i);
		//printf("%c",*p);
	}
	//a = func();
	printf("%s",p);
	return 0;
}
int * func()
{
	int *p;
	p = (int * )malloc (sizeof(int));
	*p=100;
	*(p+1)=200;
	return p;
}