/*
output a successive numeral both sides the character '-' from lift to right
example :
input :
1,4,3-9,3,7-9#
1,3d-5#

output:
1,4,3,4,5,6,7,8,9,3,7,8,9
illegal

zhaoyg
2008.1.11
*/

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

int main()
{
 int flage=0,input,input_end,temp;
 int in[100][2]={0} , count=-1;

 printf("add '#' as a end of input , and a sigle '#' to end\n");

 int a=0;

 while( (flage=scanf("%d",&input))==1 && input!='#')
 {

  in[++count][0]=input;

  if ((temp=getchar())!=',' && temp!='-')
  {
   flage=0;
   break;
  }

  if (temp=='-')
  {
   if(scanf("%d",&input_end)==1)
   {
    in[count][1]=input_end;

    if ((temp=getchar())!=',' && temp!='#')// eat off ',' after intput_end
    {
     flage=0;
     break;
    }

    if (temp=='#')
     break;
   }
   else
   {
    flage=0;
    break;
   }
  }
 }

 if ( flage != EOF && flage==0 )
  printf("illegal\n");
 else
 {
  for (int i=0; i<=count  ; i++)
  {
   printf("%d,",in[i][0]);

   if ( in[i][1]!=0)
   {
    for (temp=in[i][0]+1;temp<=in[i][1];temp++)
     printf("%d,",temp);
   }
  }
 }

 getch();
 return 0;
}

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