编写一个C++程序，如下述输出示例所示的那样请求并显示信息：

#include<iostream>
using namespace std;
int main()
{
 char fname[20];
 char lname[20];
 char grade;
 int age;
 cout<<"What is your first name? ";
 cin>>fname;
 cout<<"What is your last name? ";
 cin>>lname;
 cout<<"What letter grade do you deserve? ";
 cin>>grade;
 cout<<"What is your age? ";
 cin>>age;
 cout<<"Name:"<<fname<<","<<lname<<endl;
 cout<<"Grade:"<<++grade<<endl;
 cout<<"Age:"<<age<<endl;
 return 0;
}