// sandbox.cpp: определяет точку входа для консольного приложения.
//

#include "stdafx.h"
#include <algorithm>
#include <iostream>
#include <string.h>
#include <cstring>
#include <math.h>
#include <cmath>
#include <vector>
#include <utility>
#include <cstdlib>
#include <deque>
#include <queue>
#include <iomanip>
#include <stack>
#include <map>
#include <cmath>
#include <fstream>
#include <list>

#define LD ld
#define LL ll
#define ULL ull
#define pow(a, b) pow((ld)a, (ld)b)
#define pb push_back
#define pf push_front
#define pof pop_front
#define pob pop_back
#define fir first
#define sec second
#define mp make_pair
#define for1(it1, a, b) for(int it1 = a; it1 < b; it1++)
#define for2(it2, a, b) for(int it2 = a; it2 < b; it2++)
#define for3(it3, a, b) for(int it3 = a; it3 < b; it3++)
#define for4(it4, a, b) for(int it4 = a; it4 < b; it4++)

typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef unsigned int uint;

const int nn = 3 * (int)1e5 + 10;
const ld eps = 3 * 10e-9;
const ull INF = (ull)(1e19 * 1.7);
const ull mod = 1000000007;

using namespace std;

void shablon(double a, double b, double c, double d, double e, double f, double g, double h, int i)
{
	if(!i) cout << fixed << setprecision(0)  << noshowpos << "Vertex of a parabola: " << a << "x^2" << showpos << b << "x" << c << endl << endl;
	else if(i == 1) cout << fixed << setprecision(0) << noshowpos << "To solve the equation: " << a << "x^2" << showpos << b << "x" << c << " = 0" << endl << endl;
	else if (i == 2) cout << fixed << setprecision(0) << noshowpos << "Express a variable: " << a << "x = " << b << showpos << c << e << "x"<< f << endl << endl;
	else if (i == 3) cout << fixed << setprecision(2) << noshowpos << "Count: "  << a << showpos << b << c << d << e << f << g << h << endl << endl;
}

double gen()
{
	double r = 0;
	for (int i = 0; i < 100; i++)
		if (rand() % 2) r += (double)rand();
		else r += (double)rand() * 1.1253451031 + (double)rand() - (double)rand() * 5.4615678646;
	while(abs(r) > 40)
	if (r < 0) r += rand();
	else r -= rand();
	return r;
}

int main()
{
	freopen("out.txt", "w", stdout);
	int n;
	srand(time(0));
	cin >> n;
	for (int i = 0; i < n; i++)
	{
		double a[20];
		for (int k = 0; k < 8; k++) a[k] = gen();
		shablon(a[0], a[1], a[2], a[3], a[4], a[5], a[6], a[7], (rand() + rand()) % 4);
	}
    return 0;
}