#!c:/perl/bin/perl

use strict;
use warnings;

print 1 << 1;
print "\n";
print 1 << 2;
print "\n";
print 1 << 3;
print "\n";
print 1 << 4;
print "\n";
print 1 << 5;
print "\n";
print 1 << 6;
print "\n";
print 1 << 7;
print "\n";
print 1 << 8;
print "\n";
print 1 << 9;
print "\n";
print 1 << 10;
print "\n";
print 2 << 1;
print "\n";
print 2 << 2;
print "\n";
print 2 << 3;