diff --git a/zeta_C/14425.c b/zeta_C/14425.c
deleted file mode 100644
index 0f3564b..0000000
--- a/zeta_C/14425.c
+++ /dev/null
@@ -1,21 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-
-int main() {
-    int N, M;
-
-    scanf("%d %d", &N, &M);
-
-    char S[N][501];
-    char check[M][501];
-
-    for (int i = 0; i < N; i++) {
-        scanf("%s", &S[i]);
-    }
-
-    for (int i = 0; i < M; i++) {
-        scanf("%s", &check[i]);
-    }
-
-    return 0;
-}
\ No newline at end of file
diff --git a/zeta_C/completed/14425.c b/zeta_C/completed/14425.c
new file mode 100644
index 0000000..6adf134
--- /dev/null
+++ b/zeta_C/completed/14425.c
@@ -0,0 +1,40 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+int STR_LEN = 501;
+
+int is_in(char *a, char (*S)[STR_LEN], int N) {
+
+    for (int i = 0; i < N; i++) {
+        int c = strcmp(a, S[i]);
+        if (c == 0) {
+            return 1;
+        }
+    }
+    return 0;
+}
+
+int main() {
+    int N, M;
+
+    scanf("%d %d", &N, &M);
+
+    char S[N][STR_LEN];
+    char check[M][STR_LEN];
+
+    for (int i = 0; i < N; i++) {
+        scanf("%s", (S[i]));
+    }
+
+    for (int i = 0; i < M; i++) {
+        scanf("%s", (check[i]));
+    }
+
+    int count = 0;
+    for (int i = 0; i < M; i++) {
+        count += is_in((check[i]), S, N);
+    }
+    printf("%d\n", count);
+    return 0;
+}
\ No newline at end of file