diff --git a/dislike_of_threes.cpp b/dislike_of_threes.cpp
new file mode 100644
index 0000000..c58c191
--- /dev/null
+++ b/dislike_of_threes.cpp
@@ -0,0 +1,30 @@
+#include <iostream>
+
+using namespace std;
+
+void solve()
+{
+    int n;
+    cin >> n;
+    int i = 0;
+    while (n--)
+    {
+        i++;
+        while (1)
+        {
+            if (i % 3 != 0 && i % 10 != 3)
+                break;
+            i++;
+        }
+    }
+    cout<<i<<'\n';
+}
+
+int main()
+{
+    int t;
+    cin >> t;
+    while (t--)
+        solve();
+    return 0;
+}
\ No newline at end of file