int main()
{
 int n,i,len=0;           //len????????????
 cin>>n;
 char word[1000][41];
 for(i=0;i<n;i++)
  cin>>*(word+i);         //????
 i=0;
 while(i<n)
 {
  if(len==0)
  {
   cout<<*(word+i);
   len+=strlen(*(word+i++)); //?len?0??????????????????
  }
  else
   if(len+1+strlen(*(word+i))<=80)
   {
    cout<<' '<<*(word+i);
    len+=(strlen(*(word+i++))+1);  //?????????????????????????80???????????
   }
   else
   {
    cout<<endl;
    len=0;                       //?????????80?????len???0
   }
 }
 return 0;
}