#include <iostream>
#include<cmath>
#include<ctime>
#include<string>
#include <iomanip>
#include <fstream>

using namespace std;

int main()
{
	
	int n = 1;
	int largest = 0;
	while (n*n<30000)
	{
		if (n > largest)
		{
			largest = n;
		}
		n++;
	}
	cout << "the largest number is " << largest;
	
	
		

	
	
}