diff --git a/201826030127/Ex07_13.cpp b/201826030127/Ex07_13.cpp
new file mode 100644
index 0000000..605ef16
--- /dev/null
+++ b/201826030127/Ex07_13.cpp
@@ -0,0 +1,47 @@
+#include<iostream>
+#include<iomanip>
+#include<array>
+using namespace std;
+
+
+int main()
+{
+    int integers,flag=1,i,j;
+
+    const size_t arraysize = 20;
+
+    array <int ,arraysize>s;//array s has 20 elements
+    for(size_t i=0;i<=s.size();i++)
+        s[i]=0;
+
+    for(size_t i = 0;i <= s.size()-1;i++)
+    {
+        cin >>integers ;
+
+        if(integers>=10&&integers<=100)
+        {
+            for(size_t j=0;j<i;j++)
+            {
+                if(i==0)
+                {
+                s[0]=integers;
+                break;
+                }
+                if(integers==s[j])
+                {
+                   flag=0;
+                }
+
+            }
+            if(flag!=0)
+                s[i]=integers;
+        }
+        flag=1;
+    }
+    for(i=0;i<=s.size()-1;i++)
+   {
+    if(s[i]!=0)
+        cout<<s[i]<<' ';
+   }
+
+}