diff --git "a/33 \351\237\251\347\205\234\350\276\211/20230510.md" "b/33 \351\237\251\347\205\234\350\276\211/20230510.md"
new file mode 100644
index 0000000000000000000000000000000000000000..5baef8a5705ce11fc4c3317ea21aa5771fdac7b6
--- /dev/null
+++ "b/33 \351\237\251\347\205\234\350\276\211/20230510.md"	
@@ -0,0 +1,36 @@
+```java
+import java.util.Scanner;
+
+public class Homework {
+    public static void main(String[] args) {
+        Scanner sc = new Scanner(System.in);
+        System.out.println("请输入两个数字相加");
+        while (true) {
+            try {
+                System.out.println("请输入第一个数字");
+                double a=sc.nextDouble();
+                if (a>=0){System.out.println("请输入第二个数字");
+                    double b=sc.nextDouble();
+                    if (b>=0){
+                        double c=a+b;
+                        System.out.println("两个数的和为:"+c);
+                        break;
+                    }
+                }
+
+
+
+            } catch (Exception e) {
+                System.out.println("你输入的内容有误");
+                sc.next();
+
+            }
+        }
+    }
+
+
+
+}
+
+```
+