#include 
#include 
#include 

using namespace std;

int main()
{
ofstream outFile("temp.txt");
ifstream readFile("test.txt");

string readLine;
string search;
string firstName;
string lastName;

cout<<"Enter The Id :: ";
cin>>search;

while(getline(readFile,readLine))
{
    if(readLine == search)
    {
        outFile<>firstName;
        cout<<"Enter New Last Name :: ";
        cin>>lastName;

        outFile<