#include<stdio.h>
#include<math.h>
#include<malloc.h>
#include<windows.h>

int getLength(char* str)
{
	int length = 0;
	while(str[length++]);
	return length-1;
}
char* getString(char* str)
{
	str = (char*)malloc(sizeof(char));
	int i = 1;
	char c = ' ';
	while((c = getchar())!= '\n')
	{
		str[i-1] = c;
		i++;
		realloc(str,sizeof(char)*i);
		str[i-1] = '\0';
	}
	return str;
}

char* copy(char* str1,char* str2)
{
	free(str1);
	int len2 = getLength(str2);
	str1 = (char*)malloc(sizeof(char)*len2);
	for(int i = 0;i<len2;i++)
	{
		str1[i] = str2[i];
	}
	str1[len2] = '\0';
	return str1;
}


int find(char* str,char c)
{
	for(int i = 0;i<getLength(str);i++)
	{
		if(str[i] == c) return i;
	}
	return -1;
}



int main()
{


	printf("str1: ");
	char* str1 = getString(str1);
	printf("str2: ");
	char* str2 = getString(str2);
	int len1 = getLength(str1);
	//printf("%s\n",str1);
	//printf("%s",str2);
	/*
	int n = 0;
	printf("n: ");
	scanf("%i",&n);
	char* str3 = (char*)malloc(sizeof(char)*(len1+n+1));
	for(int i = 0;i<len1;i++)
	{
		str3[i] = str1[i];
	}
	for(int i = 0;i<n;i++)
	{
		str3[len1 + i] = str2[i];
	}
	str3[len1+n] = '\0';
	//printf("%s",str3);

	str1 = copy(str1,str3);

	printf("str1 = %s\n",str1);
	char c = ' ';

	fflush(stdin);
	printf("Enter symbol: ");
	scanf("%c",&c);
	int index = 0;
	if((index = find(str1,c))!=-1)
	{
		printf("index first entrance: %i",index);
	}else printf("not found");

	int lengthLine = 0;
	for(int i = 0;i<getLength(str1);i++)
	{
		for(int j = 0;j<getLength(str2);j++)
		{
			if(str1[i] == str2[j])
			{
				lengthLine++;
				break;
			}
		}
	}
	printf("\nlength of line %i",lengthLine);

	*/

	char word[255];
	int indexWord = 0;
	for(int i = 0;i<getLength(str1);i++)
	{
		if(find(str2,str1[i]) == -1)
		{
			word[indexWord++] = str1[i];
		}
		else if(indexWord !=0 )
		{
			word[indexWord] = '\0';
			printf("%s\n",word);
			indexWord = 0;
		}
	}
	if(indexWord != 0)
	{
		word[indexWord] = '\0';
		printf("%s\n",word);
	}



	free(str1);
	free(str2);
	//free(str3);
	return 0;
}