//---------------------------------------------------------------------------

#include <stdio.h>
#include <conio.h>

//---------------------------------------------------------------------------


int main()
{   FILE *aa, *bb;
	int i, j=0;
	char c[100], b[100];
	aa=fopen("D:\\text1.txt","r");
	bb=fopen("D:\\text2.txt","w");
	fgets(c, 100, aa)!=NULL;

	for(i=0; i<100-1 && c[i]!='\n'; i++,j++)
	{  if(c[i]!='.')
		  {
		  b[j]=c[i];
		  }
		else
		{
		  b[j]='.';
		  b[j+1]='.';
		  b[j+2]='.';
		  j=j+2;
		}


	}

	fputs(b,bb);



	getch();
}
//---------------------------------------------------------------------------