#include <iostream>
using namespace std;

int main() {
	cout << 0x10 <<endl;  // 0x.. number, hexadecimal -> 1 x 16^1 + 0 x 16^0  = 16
	cout << 0b10 <<endl;  // 0b.. number, binary      -> 1 x 2^1 + 0 x 2^0    = 2
	cout << 010  <<endl;  // 0..  number, octal       -> 1 x 8^1 + 0 x 8^0    = 8
	cout << 10 <<endl;    // decimal number           -> 1 x 10^1 + 0 x 10^0  = 10
	return 0;
}