#include <bits/stdc++.h>
using namespace std;
 
int main() {
	int n;
	cin >> n;
	if ( n % 2 == 0 ) {
		cout << " CHAN " << n << endl;
	} else { 
		cout << " n khong chia het cho 2 " " LE " << n << endl;
	}
	return 0;
}
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