diff --git a/src/userinput.c b/src/userinput.c
index 35827f1..f57d0b0 100644
--- a/src/userinput.c
+++ b/src/userinput.c
@@ -202,4 +202,10 @@ unsigned long getul(char *message, unsigned long *min, unsigned long *max) {
     LD(min)
     LD(max)
     return getNumber(message, minld, maxld, NULL, NULL, 0, ULONG_MAX);
+}
+
+unsigned long long getull(char *message, unsigned long long *min, unsigned long long *max) {
+    LD(min)
+    LD(max)
+    return getNumber(message, minld, maxld, NULL, NULL, 0, ULLONG_MAX);
 }
\ No newline at end of file