#include <iostream>
using namespace std;

int main( int argc, char *argv[] ) {
	int x = 123789;
	
	if (argc > 1) x = atoi( argv[ 1 ] );
	
	if ((x & 1) != 0) {
		cout << x << " est impair" << endl;
	} else {
		cout << x << " est pair" << endl;
	}
	
	return EXIT_SUCCESS;
}