11988.c

/*
ACM 11988 by PG, All rights reserved
*/

#include "stdio.h"
#include "stdlib.h"
int main()
{
	char q[100001];
	int home[100001];
	int end[100001];
	int i,j;
	while (gets(q))
	{

		int home_m = 0, end_m = 0;
		int len = strlen(q);
		home[home_m++] = 0;

		for (i = 0; i < len; i++)
		{
			if (q[i] == '[') home[home_m++] = i + 1;
			else if (q[i] == ']') end[end_m++] = i + 1;
		}
		for (i = home_m - 1; i >= 0; i--)
		{
			for (j = home[i]; j < len && q[j] != '[' && q[j] != ']'; j++) printf("%c", q[j]);
		}
		for (i = 0; i < end_m ; i++)
		{
			for (j = end[i]; j < len && q[j] != '[' && q[j] != ']'; j++) printf("%c", q[j]);
		}
		printf("\n");

	}
}