/*1200012866 ???*/
int main(){
	int n;
	char a[50];
	cin>>n;
	cin>>a;
	int count=strlen(a)+1;	
	cout<<a;	
	for(int i=0;i<n-1;i++){
		cin>>a;
		if(count+strlen(a)<=80){
			cout<<' '<<a;
			count+=strlen(a)+1;
		}
		else{
			cout<<endl<<a;
			count=strlen(a)+1;
		}
	}

	return 0;
}