#include<iostream>
using namespace std;

int main()
{
	/* this is what we would need to do if we didn't say using 
	   namespace std at the beginning of the program.	
	std::cout<<"Hello"<<std::endl;
	std::cout<<"Again"<<std::endl;
	*/

	//differnt number systems.
	//c++ will convert the second and third one back to decimal
	cout<<"In Decimal "<<35<<endl;
	cout<<"In Octal "<<043<<endl;
	cout<<"In Hex "<<0x23<<endl;
	cout<<"In Binary "<<100011<<endl;
	
	//Some escape sequences
	cout<<"Joe said \"I like  dounts\"\n\tOK\\"<<endl;

	//cout can print variables. literals and valid operations
	int var=15;
	cout<<var<<'\t'<<3.5<<"\tThis was a tab\t"<<var*8<<"\t"<<10+'A'<<endl;

	int value;
	cout<<"Enter a number:";
	cin>>value;

	cout<<"You typed "<<value<<endl;

	//Reading single word strings
	string name;
	cout<<"Enter name: ";
	cin>>name;
	cout<<"Hi "<<name<<". How are you?"<<endl;
	

}