@PC1=(58,50,42,34,26,18,10,2, 60,52,44,36,28,20,12,4, 62,54,46,38,30,22,14,6, 64,56,48,40,32,24,16,8, 57,49,41,33,25,17,9,1, 59,51,43,35,27,19,11,3, 61,53,45,37,29,21,13,5, 63,55,47,39,31,23,15,7); my @parr=('0','M','0','A','0','I','0','L'); for my $i(0..63){ my $tmp2 = ($PC1[$i])%8; my $tmp1 = ($PC1[$i]-$tmp2)/8; printf $parr[$tmp1]."\n"; }