import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int N;
        N = sc.nextInt();
        System.out.println(N/2 + ((N%2) > 0 ? 1 : 0));
    }
} import java.util.Scanner; Scanner java.util public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int N;
        N = sc.nextInt();
        System.out.println(N/2 + ((N%2) > 0 ? 1 : 0));
    }
} Main public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int N;
        N = sc.nextInt();
        System.out.println(N/2 + ((N%2) > 0 ? 1 : 0));
    } main {
        Scanner sc = new Scanner(System.in);
        int N;
        N = sc.nextInt();
        System.out.println(N/2 + ((N%2) > 0 ? 1 : 0));
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int N; N N = sc.nextInt() N sc.nextInt() sc.nextInt sc System.out.println(N/2 + ((N%2) > 0 ? 1 : 0)) System.out.println System.out System System.out N/2 + ((N%2) > 0 ? 1 : 0) N/2 N 2 ((N%2) > 0 ? 1 : 0) (N%2) > 0 (N%2) N 2 0 1 0 String[] args args public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int N;
        N = sc.nextInt();
        System.out.println(N/2 + ((N%2) > 0 ? 1 : 0));
    }
} public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int N;
        N = sc.nextInt();
        System.out.println(N/2 + ((N%2) > 0 ? 1 : 0));
    }
} Main
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int N;
        N = sc.nextInt();
        System.out.println(N/2 + ((N%2) > 0 ? 1 : 0));
    }
}
