#!/usr/bin/perl

$x = -1;
$data = {};

while(<>) {
    if(/^(\d+):/) {
	if($x != -1) {
	    for $k (keys %$data) {
		$sum = $num = 0;
		$min = $max = -1;
		for $v (@{$data->{$k}}) {
		    $sum += $v;
		    $num++;
		    if(($min == -1) || ($min > $v)) {
			$min = $v;
		    }
		    if(($max == -1) || ($max < $v)) {
			$max = $v;
		    }
		}
		$avg = $sum / $num;
		$devsum = 0;
		for $v (@{$data->{$k}}) {
		    $devsum += ($v - $avg) ** 2;
		}
		$dev = sqrt($devsum / $num);
		$devmin = $avg - $dev;
		$devmax = $avg + $dev;
		print "$k $x $avg $dev $devmin $devmax $min $max\n";
	    }
	}
	$x = $1;
	$data = {};
    } elsif(/(\w+): ([\d.]+)/) {
	push @{$data->{$1}}, $2;
    }
}