//working
main()
{
	int c;
	int i = 0;
	char array[MAXARRAYSIZE];
	while ((c = getchar()) != '!')
		array[i++] = c;
	array[i] = '\0';
	reverse(array);
	printf("%s", array);
}
void reverse(char s[])
{
	char temp[MAXARRAYSIZE];
	int i = 0;
	int j = 0;
	int pointofreverse = 0;
	while (s[i] != '\0' && s[i] != EOF)
	{
		while (s[i] != '\n' && s[i] != '\0' && s[i] != EOF)
			i++;
		pointofreverse = i - 1;
		while (j < i)
			temp[j++] = s[pointofreverse--];
		temp[j++] = s[i];
		if (s[i] != '\0')
			i++;
	}
	temp[j] = '\0';
	i = 0;
	while ((s[i] = temp[i]) != '\0')
		i++;
}
//not working
main()
{
	int c;
	int i = 0;
	char array[MAXARRAYSIZE];
	while ((c = getchar()) != '!')
		array[i++] = c;
	array[i] = '\0';
	reverse(array);
	printf("%s", array);
}
void reverse(char s[])
{
	char temp[MAXARRAYSIZE];
	int i = 0;
	int j = 0;
	int pointofreverse = 0;
	while (s[i] != '\0' && s[i] != EOF)
	{
		while (s[i] != '\n' && s[i] != '\0' && s[i] != EOF)
			i++;
		pointofreverse = i - 1;
		while (j < i)
			temp[j++] = s[pointofreverse--];
		temp[j++] = s[i++]; //only difference
	}
	temp[j] = '\0';
	i = 0;
	while ((s[i] = temp[i]) != '\0')
		i++;
}