#include <cstdio>
#include <algorithm>

using namespace std;

typedef unsigned int ui;
typedef unsigned long long int ull;

int main(int ac, char **av) {
  ui N = 0, n, m;
  scanf("%d", &N);
  if (N % 2 == 0) {
    n = m = N/2;
  } else {
    n = (N-1)/2;
    m = N - n;
  }
  printf("%d %d\n", n, m);
  return 0;
}