1 files changed, 12 insertions, 0 deletions
diff --git a/challenge-079/anton-fedotov/perl/ch-1.pl b/challenge-079/anton-fedotov/perl/ch-1.pl
new file mode 100755
index 0000000000..72942791f3
--- /dev/null
+++ b/challenge-079/anton-fedotov/perl/ch-1.pl
@@ -0,0 +1,12 @@
+#!/usr/bin/env perl
+
+use strict;
+use warnings;
+use v5.30;
+
+my $N = shift // 4;
+
+my $sum = 0;
+$sum += length(sprintf('%b', $_) =~ y/0//dr) for (0..$N);
+
+say "$sum % 1000000007 = ", $sum % 1000000007;