diff --git a/src/primzahl/main.c b/src/primzahl/main.c
index 61718d8..555fd74 100644
--- a/src/primzahl/main.c
+++ b/src/primzahl/main.c
@@ -4,7 +4,9 @@
 #include <stdbool.h>
 
 int main() {
+    int minInput = 0;
 
+    int num = usergetd("Enter a positive number: ", minInput, NULL);
 
-	return 0;
+    return 0;
 }
\ No newline at end of file