def cubeSum(n, operations):
    matrix = {}
    
    block_sums = []
    for operation in operations:
        split_result = operation.split(' ')
        op = split_result[0]

        if op == 'UPDATE':
            x, y, z, w = split_result[1:]
            x, y, z, w = map(int, [x, y, z, w])
            matrix[(x, y, z)] = w
        else:
            x1, y1, z1, x2, y2, z2 = split_result[1:]
            x1, y1, z1, x2, y2, z2 = map(int, [x1, y1, z1, x2, y2, z2])
            block_sum = 0
            for (x, y, z), w in matrix.items():
                if x1 <= x <= x2 and y1 <= y <= y2 and z1 <= z <= z2:
                    block_sum += w
            block_sums.append(block_sum)
    return block_sums