#!/usr/bin/perl
################
# volume 1 2 3 #
################
print " Menu!\n";
print " 1 SOFT!\n";
print " 2 MIDDLE!\n";
print " 3 HARD! WATH OUT THE CAST!\n";
print " ENTER : ";
$grade=<STDIN>;
if ($grade == 1) {
	system("mixerctl outputs.headphones=131");
}
if ($grade == 2) {
	system("mixerctl outputs.headphones=159");
}	
if ($grade == 3) {
	system("mixerctl outputs.headphones=255");
}