<?php

$countNum = intval(readline());
$oddSum = 0;
$oddMin = PHP_INT_MAX;
$oddMax = PHP_INT_MIN;
$evenSum = 0;
$evenMin = PHP_INT_MAX;
$evenMax = PHP_INT_MIN;

for ($number = 1; $number <= $countNum; $number++) {
    $currNum = floatval(readline());
    //  ODD
    if ($number % 2 !== 0) {
        $oddSum += $currNum;
        if ($currNum < $oddMin) {
            $oddMin = $currNum;
        } if ($currNum > $oddMax) {
            $oddMax = $currNum;
        }
    }
    // EVEN
    if ($number % 2 == 0) {
        $evenSum += $currNum;
        if ($currNum < $evenMin) {
            $evenMin = $currNum;
        }
        if ($currNum > $evenMax) {
            $evenMax = $currNum;
        }
    }
}

if ($countNum == 0) {
    printf("OddSum=%.2f \n", $oddSum);
    printf("OddMin=%.2f\n", $oddMin);
    printf("OddMax=%.2f\n", $oddMax);
    printf("EvenSum=%.2f \n", $evenSum);
    printf("EvenSum=%.2f", $evenMin);
    printf("EvenMax=%.2f", $evenMax);
}
printf("OddSum=%.2f \n", $oddSum);
printf("OddMin=%.2f\n", $oddMin);
printf("OddMax=%.2f\n", $oddMax);
printf("EvenSum=%.2f\n", $evenSum);
printf("EvenSum=%.2f\n", $evenMin);
printf("EvenMax=%.2f", $evenMax);