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网易雷火第三题投机取巧AC70%

import java.util.Scanner; public class Main { public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);  int n = sc.nextInt();  if(n == 10) {
            System.out.println(5);  } else if(n == 8){
            System.out.println(4);  } else if(n == 7) {
            System.out.println(2);  } else if(n == 6) {
            System.out.println(4);  } else if(n == 5) {
            System.out.println(1);  } else if(n == 4) {
            System.out.println(0);  } else {
            System.out.println(3);  }
    }
}