
import java.util.Scanner;

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

import java.util.Scanner;

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