diff --git a/03/expliztesCasting.c b/03/expliztesCasting.c
index 18acb19..16dbb38 100644
--- a/03/expliztesCasting.c
+++ b/03/expliztesCasting.c
@@ -14,9 +14,24 @@
  ********************************************************************************************/
 
 #include <stdio.h>
+#include "../io/myio.h"
+
 
 int main()
 {
+    double price = 0;
+    unsigned int priceEuro = 0;
+    unsigned int priceCents = 0;
+
+    do
+    {
+        price = getDoubleNumber("Geben Sie einen Preis ein: ");
+    } while (price < 0);
+    
+    priceEuro = (unsigned int)price;
+    priceCents = (unsigned int)((price - priceEuro)*100);
+
+    printf("Preis: %d Euros, %d Cents\n", priceEuro, priceCents);
 
     return 0;
 }
\ No newline at end of file
diff --git a/io/myio.c b/io/myio.c
index be62239..7e7f2fe 100644
--- a/io/myio.c
+++ b/io/myio.c
@@ -23,5 +23,20 @@ int getNumber(const char *text)
         while(getchar() != '\n') {} 
     } while(!wasSuccessful);
 
+    return number;
+}
+
+double getDoubleNumber(const char *text)
+{
+    double number = 0;
+    int wasSuccessful = 0;
+
+    do
+    {
+        printf("%s", text);
+        wasSuccessful = scanf("%lf", &number);
+        while(getchar() != '\n') {} 
+    } while(!wasSuccessful);
+
     return number;
 }
\ No newline at end of file
diff --git a/io/myio.h b/io/myio.h
index ddc86ae..bb7dc15 100644
--- a/io/myio.h
+++ b/io/myio.h
@@ -3,5 +3,6 @@
 
 unsigned char getSingleChar();
 int getNumber(const char *text);
+double getDoubleNumber(const char *text);
 
 #endif
\ No newline at end of file