diff --git a/16xxx/16787.cpp b/16xxx/16787.cpp
new file mode 100644
index 00000000..40cf967c
--- /dev/null
+++ b/16xxx/16787.cpp
@@ -0,0 +1,24 @@
+#include <iostream>
+#include <string>
+using namespace std;
+
+void solve(void) {
+  int n; cin >> n;
+  string s; cin >> s;
+
+  int ans = 0;
+  for (int i=1; i<n; i++) {
+    if (s[i] != s[i-1]) {
+      ans++; i++;
+    }
+  }
+  cout << ans;
+}
+
+int main(void) {
+  ios::sync_with_stdio(false);
+  cin.tie(nullptr);
+
+  solve();
+  return 0;
+}
\ No newline at end of file