diff --git a/QUSTOJ/1901.cpp b/QUSTOJ/1901.cpp
new file mode 100644
index 0000000..489feed
--- /dev/null
+++ b/QUSTOJ/1901.cpp
@@ -0,0 +1,22 @@
+#include <iostream>
+
+using namespace std;
+
+int main()
+{
+    int a,b,c;
+    char x;
+    int n;
+    cin>>n;
+    while(n--)
+    {
+        cin>>a>>x>>b>>x>>c;
+        cout<<a<<":"<<b<<":"<<c<<endl;
+        c+=2;
+        if(c>=60) {b++;c-=60;}
+        if(b>=60) {a++;b-=60;}
+        if(a>=24) {a-=24;}
+        cout<<a<<":"<<b<<":"<<c<<endl;
+    }
+    return 0;
+}