# run me with awk -f sol.awk < input

BEGIN { depth = 0 }

/^\$/ { cmd = $2 }

/^\$ cd/ {
    if ($3 == "/") {
        depth = 0
    } else if ($3 == "..") {
        depth -= 1
    } else {
        cwd[depth++] = $3
    }
    #print dir
    next
}

/^\$ ls$/ {
    next
}

function add(sz) {
    sizes["/"] += sz
    path = ""
    for (i = 0; i < depth; i++) {
        path = path "/" cwd[i]
        sizes[path] += sz
    }
}

cmd == "ls" {
    if ($1 != "dir") {
        #print(dir "/" $2, $1)
        add($1)
    }
}

END {
    print sizes["/"]
    # for (i in sizes) { print i, sizes[i] }

    t1 = 0
    for (i in sizes) {
        if (sizes[i] <= 100000) {
            t1 += sizes[i]
        }
    }
    print t1

    t2 = 0
    for (i in sizes) {
        if (70000000 - sizes["/"] + sizes[i] >= 30000000) {
            if (sizes[i] < t2 || t2 == 0)
                t2 = sizes[i]
        }
    }
    print t2
}