diff --git a/1.cpp b/1.cpp
new file mode 100644
index 0000000..6f0bf94
--- /dev/null
+++ b/1.cpp
@@ -0,0 +1,32 @@
+#include <iostream>
+#include <iomanip>
+using namespace std;
+class Time
+{
+public:
+    void setTime();
+	void showTime();
+	int hour, minute, sec;
+};
+
+void Time::setTime()          
+{   cin>>hour>>minute>>sec;   }
+
+void Time::showTime()         
+{   
+    if(hour>24||minute>60||sec>60)
+    {
+        cout<<"input error, plz input again";
+        return;
+    }
+    cout << setw(2) << right << setfill('0') << hour<<":";
+    cout << setw(2) << right << setfill('0') << minute<<":";
+    cout << setw(2) << right << setfill('0') << sec;
+}	
+
+int main()
+{   Time t;
+    t.setTime(); 
+    t.showTime(); 
+    return 0; 
+}