diff --git a/src/CustomerData.txt b/src/CustomerData.txt
index d5c417b..f847b08 100644
--- a/src/CustomerData.txt
+++ b/src/CustomerData.txt
@@ -3,4 +3,18 @@ ID=1234
 forename=Max
 Surname=Mustermann
 password=example
-balance=2000
\ No newline at end of file
+balance=2000
+
+1327=example
+ID=1327
+forename=Max
+Surname=Mustermann
+password=example
+balance=1500
+
+1666=example
+ID=1666
+forename=Max
+Surname=Mustermann
+password=example
+balance=240
\ No newline at end of file
diff --git a/src/a.exe b/src/a.exe
index f28e6b3..cdc9794 100644
Binary files a/src/a.exe and b/src/a.exe differ
diff --git a/src/updateCustomerAccountBalance.c b/src/updateCustomerAccountBalance.c
index 764c317..9c868b2 100644
--- a/src/updateCustomerAccountBalance.c
+++ b/src/updateCustomerAccountBalance.c
@@ -58,7 +58,7 @@ bool updateAvailableAccountBalance(int user_id, float changeInBalance, bool posi
     strcat(stringID, user_id_as_string);
 
     FILE *file = fopen("CustomerData.txt", "r+"); 
-
+    printf(stringID);
     while(keep_reading) {
         fgets(buffer, MAX_LENGTH, file);
         currentLine++;
@@ -81,11 +81,3 @@ bool updateAvailableAccountBalance(int user_id, float changeInBalance, bool posi
     float newBalance = (positive) ? availableBalance+changeInBalance : availableBalance-changeInBalance;
     replaceBalanceInString(newBalance,currentLine);
 }
-
-int main(){
-
-    updateAvailableAccountBalance(1234,500, true);
-    return 0;
-
-}
-