Frank, Yen, Euro veya Dolar' ı YTL' ye çeviren program

#include <iostream.h>

int main()
{
double dolarKuru;
double YTL;
double dolarMiktari;
double yenKuru;
double frankKuru;
double euroKuru;
double euroMiktari;
double frankMiktari;
double yenMiktari;
char tur;
int programSonu;


cout << "*Program Surumu: 002*\n";

cout << " \n";
cout << " DOVIZMATiK\n";
cout << "$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$\n";
cout << " \n";
cout << " --Yigitcan SUMBELLi--\n";

cout <<" \n";
cout <<" \n";
cout << "Lutfen istediginiz doviz turunu secin:\n";
cout << "a - Euro\n";
cout << "b - Dolar\n";
cout << "c - Frank\n";
cout << "d - Yen\n";
cout << " \n";

cin >> tur;

if (tur == 'a')
{
cout << endl;
cout << " \n";

cout << "Lutfen bugunku euro kur'unu giriniz: \n";
cout << " \n";

cin >> euroKuru;
cout << endl;

cout << "Lutfen YTL miktarini giriniz:\n";

cin >> YTL;

cout << endl;
euroMiktari = YTL / euroKuru;

cout << YTL << "YTL ile alabileceginiz euro miktari: " << euroMiktari;
}


else if(tur == 'b')
{
cout << "Lutfen bugunku dolar kur'unu giriniz: \n";
cout << " \n";
cin >> dolarKuru;
cout << endl;
cout << "Lutfen YTL miktarini giriniz:\n";
cin >> YTL;

cout << endl;

dolarMiktari = YTL / dolarKuru;


cout << "YTL << YTL ile alabileceginiz dolar miktari: " << dolarMiktari;
}

else if (tur == 'c')
{
cout << "Lutfen bugunku frank kur'unu giriniz: \n";
cout << " \n";
cin >> frankKuru;
cout << endl;
cout << "Lutfen YTL miktarini giriniz:\n";
cin >> YTL;

cout << endl;

frankMiktari = YTL / frankKuru;


cout << "YTL << YTL ile alabileceginiz frank miktari: " << frankMiktari;
}

else if (tur == 'd')
{
cout << "Lutfen bugunku yen kur'unu giriniz: \n";
cout << " \n";

cin >> yenKuru;

cout << endl;

cout << "Lutfen YTL miktarini giriniz:\n";

cin >> YTL;

cout << endl;

yenMiktari = YTL / yenKuru;



cout << "YTL << YTL ile alabileceginiz yen miktari: " << yenMiktari;
}

else
{
cout << "Programda boyle bir doviz turu bulunmamaktadir...\n";
}

cout << " \n";
cout << " \n";
cout << "Lutfen bir tusa basip enter'layin ve programi sonlandirin...\n";
cin >> programSonu;

return 0;

}