diff --git "a/12 \346\236\227\344\277\212\344\274\237/20221218 \347\254\254\345\215\201\346\254\241\344\275\234\344\270\232.md" "b/12 \346\236\227\344\277\212\344\274\237/20221218 \347\254\254\345\215\201\346\254\241\344\275\234\344\270\232.md"
new file mode 100644
index 0000000000000000000000000000000000000000..8654b3ce3992888febd15f1ead76be6db180e699
--- /dev/null
+++ "b/12 \346\236\227\344\277\212\344\274\237/20221218 \347\254\254\345\215\201\346\254\241\344\275\234\344\270\232.md"	
@@ -0,0 +1,34 @@
+~~~ java
+public class zyten {
+    public static void main(String[] args) {
+        Scanner Sc = new Scanner(System.in);
+        System.out.println("输入三个数");
+        int x = Sc.nextInt();
+        int y = Sc.nextInt();
+        int z = Sc.nextInt();
+        lifan(x,y,z);
+  }
+    public static void lifan(int x,int y,int z){
+       System.out.println( x*3+y*3+z*3);
+
+    }
+}
+~~~
+
+~~~ java
+import java.util.Scanner;
+
+public class zyten2 {
+    public static void main(String[] args) {
+        Scanner sc = new Scanner(System.in);
+        System.out.println("输入两位数比较大小");
+        int a= sc.nextInt();
+        int b= sc.nextInt();
+        System.out.println(max(a,b)+"比较大");
+    }
+    public static int max(int a, int b){
+     return a>b ? a:b;
+    }
+}
+~~~
+