diff --git a/Dbugg/week1/1.cpp b/Dbugg/week1/1.cpp
new file mode 100644
index 0000000..daf3635
--- /dev/null
+++ b/Dbugg/week1/1.cpp
@@ -0,0 +1,23 @@
+#include<iostream>
+using namespace std;
+/*
+Pattern
+1
+23
+345
+4567
+*/
+int main(){
+    int n=5;
+    int i=1;
+    while(i<n){
+        int j = i,count = 0;
+        while(count<i){
+            cout<<j;
+            j = j + 1;
+            count = count + 1;
+        }
+        cout<<"\n";
+        i = i + 1;
+    }
+}