diff --git a/Helloworld.py b/Helloworld.py
new file mode 100644
index 0000000..95e84f5
--- /dev/null
+++ b/Helloworld.py
@@ -0,0 +1,2 @@
+#!/usr/bin/python
+print('Hello world!')
diff --git a/try.java b/try.java
new file mode 100644
index 0000000..e5b14b5
--- /dev/null
+++ b/try.java
@@ -0,0 +1,16 @@
+/*
+import java.util.Scanner;
+public class LeapYear {
+	public static void main(String[] args) {
+		Scanner scan = new Scanner(System.in);
+		System.out.println("请输入一个年份：");
+		long year = scan.nextLong();
+		if (year % 4 == 0 && year % 100 != 0 || year % 400 == 0) {
+			System.out.print(year + "年是闰年！");
+		}
+		else{
+			System.out.print(year + "年不是闰年！");
+		}
+	}
+}
+*/