#include <iostream>
using namespace std;
int main()
{
	int a, c, s, cph, i, max, min, k, hss, hst, p = 0, q = 0;
	cout << "Nhap vao so can kiem tra: ";
	cin >> a;
	s = 0;
	c = a;
	while (a != 0)
	{
		s = s * 10 + a % 10;
		a = a / 10;
	}
	if (s == c)
	{
		cout << c << " la so doi xung" << endl;
	}
	else
	{
		cout << c << " khong phai so doi xung" << endl;
	}
	cph = sqrt(c);
	if (cph * cph == c)
	{
		cout << c << " la so chinh phuong" << endl;
	}
	else
	{
		cout << c << " khong phai so chinh phuong" << endl;
	}
	int count = 0;
	for (i = 2; i <= sqrt(c); i++)
	{
		if (c % i == 0)
		{
			count++;
		}
	}
	if (c < 2)
	{
		cout << "Day khong phai la so nguyen to" << endl;
	}
	if (count == 0)
	{
		cout << "Day la so nguyen to" << endl;
	}
	else
	{
		cout << "Day khong phai la so nguyen to" << endl;
	}

	max = c % 10;
	min = c % 10;
	while (c > 0)
	{
		k = c % 10;
		c = c / 10;
		if (max < k)
		{
			max = k;
		}
		if (min > k)
		{
			min = k;
		}
	}
	cout << "Chu so lon nhat la: " << max << endl;
	cout << "Chu so nho nhat la: " << min << endl;
	hss = c % 10;
	c = c / 10;
	while (c>0)
	{
		hst = c % 10;
		c = c / 10;
		if (hss > hst)
		{
			p = 1;
		}
		if (hst > hss)
		{
			q = 1;
		}
		if (hss == hst)
		{
			cout << "So khong tang, khong giam";
		}
		if (p == 1 && q == 1)
		{
			cout << "So khong tang, khong giam";
		}
		if (p==1 && q == 0)
		{
			cout << "He so tang";
		}
		if (p == 0 && q == 1)
		{
			cout << "He so giam";
		}
	}
	
	
	
	
	
	return 1;
}