#include <iostream>
#include <string>
#include <iomanip>
 
using namespace std;
 
void displayBinary(unsigned);
 
 
void main()
{
	string input; 
	cout << "Enter a string: In other words start typing. Use @# for the escape sequence." << endl; 
 
	while(input != "@#")
		{
			getline(cin, input);
 
			for(int i =0; i < input.length(); i++)
			{
				cout << input.at(i) << " = ";
		        displayBinary((unsigned)input.at(i));
			}
 
	cout << endl;
		}
}
 
void displayBinary(unsigned u)
{
	register int b;
 
	for(b = 128; b > 0; b = b/2)
	{
		(u & b)?(cout << '1'):(cout << '0');
	}
	cout << " ";
}

#include <iostream>
#include <string>
 
using namespace std;
 
string changeBase( unsigned int ch, unsigned int base ) {
  const string digits = "0123456789ABCDEF";
 
  string result = "";
 
  while ( ch != 0 ) {
    result = digits[ch % base] + result;
    ch /= base;
  }
 
  return result;
}
 
int main() {
  string s = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
 
  for ( string::size_type i = 0; i < s.size(); ++i ) {
    cout<< changeBase( s[i], 8 ) <<"\n";
  }
 
  return 0;
}

#include <iostream>
#include <string>
using namespace std ;
 
int main()
{
  string str ;
  getline( cin, str ) ;
  cout << str << '\n' ;
 
  cout << oct << showbase ;
  for( size_t i=0 ; i<str.size() ; ++i ) cout << int( str[i] ) << ' ' ;
  cout << '\n' ;
 
  cout << hex << showbase ;
  for( size_t i=0 ; i<str.size() ; ++i ) cout << int( str[i] ) << ' ' ;
  cout << '\n' ;
}

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