diff --git a/hallo b/hallo
index ad1cb68..e53e9fc 100755
Binary files a/hallo and b/hallo differ
diff --git a/hallo-welt.c b/hallo-welt.c
index 3b48aa9..30f2e0b 100644
--- a/hallo-welt.c
+++ b/hallo-welt.c
@@ -17,7 +17,6 @@ const char *binaerzahl(uint8_t bin) {
   if (!str)
     return NULL;
   uint8_t bb;
-  printf("sizeof(bin) = %lu\n", sizeof(bin) * 8);
   for (int i = sizeof(bin) * 8 - 1; i >= 0; i--) {
     bb = bin >> i;
     str[i] = (bb % 2 == 1) ? 1 : 0;
@@ -27,8 +26,10 @@ const char *binaerzahl(uint8_t bin) {
   return str;
 }
 
-int main(void) {
-  // hallo_welt();
-  char *in;
-  printf(binaerzahl(8));
+int getint(void) {
+  uint8_t i;
+  scanf("%hhu", &i);
+  return i;
 }
+
+int main(void) { printf("%s", binaerzahl(getint())); }