filename = "input.txt"

#red / green / blue
bag = [12, 13, 14]

result = 0

with open(filename, 'r') as f:
    for line in f.readlines():
        game = line.split(": ")
        p = game[1].replace("\n","").split("; ")
        i = int(game[0].split(" ")[1])
        #print(p)
        max = [0, 0, 0]
        # par pack
        for c in p:
            #print(c)
            # par jeton
            for j in c.split(", "):
                k = j.split(" ")
                #print(j)
                if k[1] == 'red' and max[0] < int(k[0]):
                    max[0] = int(k[0])
                elif k[1] == 'green' and max[1] < int(k[0]):
                    max[1] = int(k[0])
                elif k[1] == 'blue' and max[2] < int(k[0]):
                    max[2] = int(k[0])
        somme = max[0] * max[1] * max[2]
        result += somme

print(result)