#include<bits/stdc++.h> 
#include "testlib.h"

using namespace std;

int main(int argc, char* argv[]) {
    registerTestlibCmd(argc, argv);
    string st = ans.readString();
    string s = ouf.readString();
    if(st=="Unknown"){
		if (s=="Unknown")
		    quitf(_ok, "The answer is correct.");
		else
		    quitf(_wa, "The answer is wrong: expected = Unknown, found = %s", s.c_str());
	}
	double pans = stod(s);
    double jans = stod(st);
    if (fabs(pans - jans)<0.000001)
        quitf(_ok, "The answer is correct.");
    else
        quitf(_wa, "The answer is wrong: expected = %f, found = %f", jans, pans);
}