#include<iostream>
#include<string>
using namespace std;
int main()
{
	//part 1
	string st1,st2;
	cout<<"Enter a string: ";
	getline(cin,st1);
	for(int i=5;i<st1.length(); i+=5)
		st1[i]='a';
	cout<<"enter the string to be appended: ";
	getline(cin,st2);
	st1.append(st2);

	cout<<"The final string is "<<st1<<endl;

	//part 2
	cout<<"enter a string:"<<endl;
	getline(cin,st1,'*');
	int count=1; //we already have one line
	for(int i=0;i<st1.size();i++)
		if(st1[i]=='\n')
			count++;
	cout<<"The text had "<<count<<" lines."<<endl;
	return 0;
}