oops ass 10 file handling

#include<iostream>
#include<fstream>
using namespace std;
int main()
{
    char name[20],post[20],y[20];
    int salary,months;
    ofstream out("employee.txt");
    cout<<"\nEnter employee name:";
    cin.getline(name,20);
    out<<name<<"\n";
    cout<<"\nEnter the post(Manager/Worker/Hr):";
    cin.getline(post,20);
    out<<post<<"\n";
    cout<<"\nEnter the months worked:";
    cin>>months;
    out<<months<<"\n";
    cout<<"\nEnter monthly salary:";
    cin>>salary;
    out<<salary<<"\n";
    out.close();
    cout<<"\n\n";
    cout<<"...employee details...\n";
    ifstream in("employee.txt");
    in>>name;
    cout<<"Employee name:"<<name;
    in>>post;
    cout<<"\nPost of employee:"<<post;
    in>>months;
    cout<<"\nNumber of months worked:"<<months;
    in>>salary;
    cout<<"\nTotal salary:"<<salary*months;

    in.close();

}