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#include<iostream>
#include<conio.h>


main()
{
float Call_Amount, Call_Duration;
Call_Amount = 3.99;
cout<<"Please input the duration of call(in minutes):";
cin>>Call_Duration;
If (Call_Duration > 3)
{
Additional_Minutes = Call_Duration - 3;
Additional_Charge = Additional_Minutes * 0.45;
Call_Amount = Additional_Charge + Call_Amount; 
}
cout<<"Call lasted for "<<Call_Duration<<" minutes. Call amount is "<<Call_Amount<<".";

getch();

}