#include <iostream>
 #include <iomanip>
 using namespace std;

 int main( ) {
     /* integers */
     cout << "\nBase Conversion\n"
     << "----------\n"
     << "Octal: "
     << setbase(8) << 4321 << '\n'
     << "Hexadecimal: "
     << setbase(16) << 4321 << '\n';

     return 0;
 }