diff --git a/src/ageinseconds.c b/src/ageinseconds.c
index 9fad0cf..816c666 100644
--- a/src/ageinseconds.c
+++ b/src/ageinseconds.c
@@ -1 +1,13 @@
+#include <stdio.h>
 #include "ageinseconds.h"
+
+int run_ageinseconds() {
+	int age;
+
+	printf("Dein Alter: ");
+	scanf("%d", &age);
+	printf("-------------------------------------------------");
+	printf("\nDu bist: %d Sekunden alt", age * 365 * 24 * 60 * 60);
+    printf("\n-------------------------------------------------");
+    return 0;
+}