int main()
{
	int numofwords=0,numofchar=0;// num of char is used to count the num in the line
	int lenofwords[1000]={0};
	int i=0,flag=0;
	char words[1000][40];
	cin>>numofwords;
	cin.get();
	while(numofwords>0)
	{
		scanf("%s",words[i]);//cin the words
		cin.get();
		lenofwords[i]=strlen(words[i]);
		numofwords--;
		if((numofchar+lenofwords[i]+1<=80)&&(flag==1))
        {
			cout<<" ";
			printf("%s",words[i]);
         numofchar=numofchar+lenofwords[i]+1;
        }
         else if ((numofchar+lenofwords[i]<=80)&&(flag==0))
         {
              printf("%s",words[i]);
              flag=1;
              numofchar=numofchar+lenofwords[i];
         }
         else
         {
             printf("\n");
             cout<<endl<<words[i];
             flag=1;
             numofchar=lenofwords[i];
         }
		i++;
	}
    return 0;
}