# A = Rock
# B = Paper
# C = Scissors

# X = Rock      1 points
# Y = Paper     2 points
# Z = Scissors  3 points

# Loss          0 points
# Draw          3 points
# Win           6 points


$scoring = @{
    # rock
    X = 1
    # paper
    Y = 2
    # scissors
    Z = 3

    loss = 0
    draw = 3
    win = 6
}

$shapes = @{
    # rock
    A = @{
        # rock
        X = $scoring.draw
        # paper
        Y = $scoring.win
        # scissors
        Z = $scoring.loss
    }
    # paper
    B = @{
        # rock
        X = $scoring.loss
        # paper
        Y = $scoring.draw
        # scissors
        Z = $scoring.win
    }
    # scissors
    C = @{
        # rock
        X = $scoring.win
        # paper
        Y = $scoring.loss
        # scissors
        Z = $scoring.draw
    }
}


$points = 0

Get-Content input
| ForEach-Object {
    $shape,$response = $_.Split(' ')

    $points += $scoring.$response
    $points += $shapes.$shape.$response
}

$points