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If function problem

ruslansbest (9)
My question is how do i make the if to check if the input is lower than 90 to "Fail" and exit the code and if its greater than 90 to continue the inputs. Lines 94 - 104 Thanks!
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#include <iostream>

#include <fstream>

#include<iomanip>

#include <cstdlib>

#include <string>

using namespace std;

class Kursist
{
    //private
    string ime;
    string familia;
    int listovka;
    int drive1;
    int drive2;

public:
    Kursist(string name, string lname, int test, int driving1, int driving2)
    {
        ime=name;
        familia=lname;
        listovka=test;
        drive1=driving1;
        drive2=driving2;
    }
    Kursist() {}
    ~Kursist() {}
    string GetName()
    {
        return ime;
    }

    string GetLname()
    {
        return familia ;
    }

    int GetTest()
    {
        return listovka;
    }

    int GetDriving1()
    {
        return drive1;
    }

    int GetDriving2()
    {
        return drive2;
    }

};

void outputLine( Kursist );

int main( )

{

    int i;

    Kursist kursist[3];

    string name;
    string lname;
    int test;
    int driving1;
    int driving2;

    cout << "Enter the name, family and results.\n";
    
    

    for (i=0; i<3; i++)

    {

        cout <<"Ime: \n";

        cin >> name;

        cout <<"Family: \n";

        cin >> lname;

        cout <<"Test: \n";

        cin >> test;
        
                    if ( test < 90 )
        {
            cout<<"Fail!\n";
        }

        else ( test >= 90)
            {
            cout<<"Sucssess\n";
            }

        cout <<"Driving1: \n";

        cin >> driving1;

        cout <<"Driving2: \n";

        cin >> driving2;

        Kursist akursist(name, lname, test, driving1, driving2);

        kursist[i]=akursist;

    }


    ofstream outKursistFile;

    outKursistFile.open( "kursist18.dat" );

    {


        if ( !outKursistFile )


            cerr << "File could not be opened" << endl;

    }


    for (i=0; i<3; i++)

    {

        outKursistFile << kursist[i].GetName() << ' ' << kursist[i].GetLname()<< ' '<<kursist[i].GetTest()<< ' ' << kursist[i].GetDriving1() << ' ' <<kursist[i].GetTest()<< '\n';

    }

    outKursistFile.close();




    return 0;
}

void outputLine( Kursist kursist )

{

    cout << setiosflags( ios::left ) << setw( 10 ) << kursist.GetName() << setw( 13 ) << kursist.GetLname() <<setw( 7 ) << setprecision( 2 )<< resetiosflags( ios::left )<<kursist.GetTest()<< ' ' <<kursist.GetDriving1()<< ' ' <<kursist.GetDriving2()<< '\n';
}
vjanu (9)
if ( test < 90 )
{
cout<<"Fail!\n";
exit(0);
}

use thz & c
ruslansbest (9)
Thanks! <3
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