diff --git a/sk1/main.c b/sk1/main.c
index 294989d..3871b00 100644
--- a/sk1/main.c
+++ b/sk1/main.c
@@ -1,3 +1,36 @@
-int main(){
-    
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "compressor.h"
+
+void print_help() {
+    printf("Usage:\n");
+    printf("  ./compressor -c infile outfile  # Compress infile to outfile\n");
+    printf("  ./compressor -d compressed uncompressed  # Decompress compressed to uncompressed\n");
+    printf("  ./compressor -h  # Print this help message\n");
+}
+
+int main(int argc, char *argv[]) {
+    if (argc < 2) {
+        print_help();
+        return 1;
+    }
+
+    const char *command = argv[1];
+
+    if (strcmp(command, "-h") == 0) {
+        print_help();
+    } else if (strcmp(command, "-c") == 0 && argc == 4) {
+        const char *input_file = argv[2];
+        const char *output_file = argv[3];
+        compress_1(input_file, output_file);
+    } else if (strcmp(command, "-d") == 0 && argc == 4) {
+        const char *input_file = argv[2];
+        const char *output_file = argv[3];
+        decompress_1(input_file, output_file);
+    } else {
+        print_help();
+        return 1;
+    }
+    return 0;
 }
\ No newline at end of file