#include <iostream>
 
int main() {
    std::cout << 10 << std::endl;
    std::cout << 010 << std::endl;
    std::cout << 0x10 << std::endl;
    std::cout << 0b10 << std::endl;
    std::cout << std::endl;
    
    std::cout << std::hex << std::showbase;
    std::cout << 10 << std::endl;
    std::cout << 010 << std::endl;
    std::cout << 0x10 << std::endl;
    std::cout << 0b10 << std::endl;
}