diff --git a/a5/program.c b/a5/program.c
index 390baa1..dbb9018 100644
--- a/a5/program.c
+++ b/a5/program.c
@@ -123,12 +123,16 @@ int main (){
     add(root, "----.", '9');
     add(root, "-----", '0');    
 
-    char line[MAX];  
-    fgets(line, MAX, stdin);
-    line[strlen(line)-1] = '\0';
-   
-    search(root, line);
-    printf("\n");
-    printf("\n");
+    while(1){
+        char line[MAX];  
+        fgets(line, MAX, stdin);
+        line[strlen(line)-1] = '\0';
+        if(line[0] == '\n'){
+            break;           
+        }
+        search(root, line);
+        printf("\n");
+        printf("\n");
+    }
     destroy(root);
 }