Mobile Service Provider in C++

 Machine Problem in C++

Make a program that will input type of network provider. 

A - for Smart and Display "SMART USER". 

B- for Globe Display "GLOBE USER" and C-for Sun Display "SUN USER". 

Your program will be terminated when you input Z.

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Program Listing

/*

Author : Prof. Jake Rodriguez Pomperada, MAED-IT, MIT
www.jakerpomperada.blogspot.com and www.jakerpomperada.com
jakerpomperada@gmail.com
Bacolod City, Negros Occidental Philippines.

Machine Problem in C++

3.	Make a program that will input type of network provider. 
A - for Smart and Display "SMART USER". 
B- for Globe Display "GLOBE USER" and C-for Sun Display "SUN USER". 
Your program will be terminated when you input Z.

*/

#include <iostream>
#include <cctype>

int main()
{
	char select_sim,ch;
   
do {

	std::cout << "\n\n";
	std::cout << "\tMobile Service Provider in C++\n";
	std::cout <<"\n";
	std::cout <<"\tA-for Smart\n";
	std::cout <<"\tB-for Globe\n";
	std::cout <<"\tC-for SUN";
	std::cout <<"\n\n\t";
	std:: cin >> select_sim;
	
	 ch = toupper(select_sim);
	 
     if (ch=='Z') {
		break; 
	}
	
	 
	if (ch=='A') {
		std::cout <<"\n";
		std::cout <<"\tSMART USER";
	} else if  (ch=='B') {
		std::cout <<"\n";
		std::cout <<"\tGLOBE USER";
	} else if  (ch=='C') {
		std::cout <<"\n";
		std::cout <<"\tSUN USER";
	} 
} while (ch!='Z');
  	std::cout << "\n";
	std::cout << "\tEnd of Program";
	std::cout <<"\n";
}