#include
#include
#include
using namespace std;
int main() {
fstream inout( "invoice.dat", ios::in | ios::out );
inout << 1234 << " " << 56.78 << " " << "apples" <<'\n';
cout << inout.tellg() << endl;
cout << inout.tellp() << endl;
inout.seekg( ios::beg );
cout << inout.tellg() << endl;
cout << inout.tellp() << endl;
int x;
double y;
string z;
inout>> x >> y;
inout >> z;
cout << x << " " << y << " " << z << endl;
return 0;
}