更新

exercise/src/Main.java

@@ -1,59 +1,10 @@
 import java.util.Scanner;
 
 public class Main {
-    static boolean isPrime(int x) {
-        if (x < 2)
-            return false;
-        if (x % 2 == 0)
-            return x == 2;
-        for (int i = 3; i * i <= x; i += 2) {
-            if (x % i == 0)
-                return false;
-        }
-        return true;
-    }
-
-    static boolean noZero(String s) {
-        for (int i = 0; i < s.length(); i++)
-            if (s.charAt(i) == '0')
-                return false;
-        return true;
-    }
-
     public static void main(String[] args) {
         Scanner in = new Scanner(System.in);
-        String s = in.next().trim();
-        boolean left = false, right = false;
-        if (noZero(s)) {
-            boolean ok = true;
-            for (int i = 0; i < s.length(); i++) {
-                int v = Integer.parseInt(s.substring(i));
-                if (!isPrime(v)) {
-                    ok = false;
-                    break;
-                }
-            }
-            left = ok;
-        }
-        if (noZero(s)) {
-            boolean ok = true;
-            for (int i = s.length(); i >= 1; i--) {
-                int v = Integer.parseInt(s.substring(0, i));
-                if (!isPrime(v)) {
-                    ok = false;
-                    break;
-                }
-            }
-            right = ok;
-        }
-        if (left && right)
-            System.out.println("both");
-        else if (left)
-            System.out.println("left");
-        else if (right)
-            System.out.println("right");
-        else
-            System.out.println("false");
+        int n = in.nextInt();
+        System.out.println(n % 3 == 0 ? "hua" : "ming");
         in.close();
     }
 }