/******************************************************************************
Welcome to GDB Online.
GDB online is an online compiler and debugger tool for C, C++, Python, PHP, Ruby, Perl, Prolog, Javascript, Pascal, HTML, CSS, JS
Code, Compile, Run and Debug online from anywhere in world.
*******************************************************************************/
#include <iostream>
using namespace std;
int main()
{
auto list = {1, 2, 3};
for ( const auto &v: list) {
cout << v << " ";
}
cout << endl;
return 0;
}