#include <iostream>
#include <limits>
#include <cassert>
using namespace std;

int main()
{
    double a=numeric_limits<double>::quiet_NaN();
    double b=numeric_limits<double>::quiet_NaN();
    cout << (a < b);
    cout << (b < a);
    cout << (a == b);
    assert(  (a < b) || (b < a) || (a == b) );
    return 0;
}