diff --git a/148A Insomnia cure/148A.cpp b/148A Insomnia cure/148A.cpp
new file mode 100644
index 0000000..d12b005
--- /dev/null
+++ b/148A Insomnia cure/148A.cpp	
@@ -0,0 +1,39 @@
+#include<bits/stdc++.h>
+using namespace std;
+using ll = long long;
+
+
+void solve()
+{
+    int k,l,m,n,d;
+    cin>>k>>l>>m>>n>>d;
+    set<int>damaged;
+    for(int i=k; i<=d; i+=k)
+    {
+        damaged.insert(i);
+    }
+    for(int i=l; i<=d; i+=l)
+    {
+        damaged.insert(i);
+    }
+    for(int i=m; i<=d; i+=m)
+    {
+        damaged.insert(i);
+    }
+    for(int i=n; i<=d; i+=n)
+    {
+        damaged.insert(i);
+    }
+    cout<<damaged.size()<<endl;
+}
+
+int main()
+{
+    ios_base::sync_with_stdio(false);
+    cin.tie(nullptr);
+
+    int TC = 1;
+    //cin >> TC;
+    //cin.ignore();
+    while (TC--) solve();
+}
\ No newline at end of file