> ## ****- 1.

~~**~~

include

include

using namespace std; int main(){

int n;
cin >> n;
if (n%2==0){
	cout << "y e s"; 
} else{
	cout << "n o";
}
return 0;

}

n = int(input()) if n % 2 == 0:

print("y e s")

else:

print("n o")

n = int(input()) if n % 2 == 0:

print("y e s")

else:

print("n o")