#include <bits/stdc++.h>
using namespace std;
int main()
{
	int a;
	
	cin>>a;
	if(a<0)
	{
		cout<<"negative"<<endl;
	 } 
	 cout<<a;
}

#include<bits/stdc++.h>
using namespace std;
int main()
{
	int a;
	cin>>a;
	if(a<0) 
	{
		cout<<"negative"<<endl;
	}
	cout<<a;
}