#include <iostream>
using namespace std;

int main() {
  int num = 10;

  if (num > 0) {
    cout << "양수입니다." << endl;

    if (num % 2 == 0) {
      cout << "짝수입니다." << endl;
    } else {
      cout << "홀수입니다." << endl;
    }
  } else if (num < 0) {
    cout << "음수입니다." << endl;
  } else {
    cout << "0입니다." << endl;
  }

  return 0;
}