long_long_branch

#include <iostream>
using namespace std;

void main()
{
    int uSize = 0;
    while(uSize != -1)
    {
        //system("cls");
        cout<<"in:";
        cin>>uSize;
        cout<<"out:"<<(uSize <= 32 ? uSize <= 16 ? 0 : 1: uSize <= 64 ? 2 : uSize <= 128 ? 3 : -1)<<endl;
        //system("pause");
    }
    
    system("pause");
}