//6.5
#include <iostream>
#include<cctype>
using namespace std;
void main65()
{
int salary;
cout<<"Enter your salary:";
cin>>salary;
while(salary>=0)//&&isdigit(salary))
{
if(salary<5000)
cout<<"Your salary is "<<salary<<" You shouldn't!"<<endl;
else if(salary<15000)
cout<<"Your salary is "<<salary<<" ,Your sui is "<<salary*0.1<<endl;
else if(salary<35000)
cout<<"Your salary is "<<salary<<" ,Your sui is "<<salary*0.15<<endl;
else
cout<<"Your salary is "<<salary<<" ,Your sui is "<<salary*0.2<<endl;
cout<<"Enter your salary:";
cin>>salary;
}
//cout<<salary<<" isdigit()"<<endl;//<<isdigit(salary)<<endl;
cout<<"Finish!";
cin.get();
system("pause");
}