```go
package main

import (
	"bufio"
	"fmt"
	"math/bits"
	"os"
)

type FastScanner struct {
	r *bufio.Reader
}

func NewFastScanner() *FastScanner {
	return &FastScanner{r: bufio.NewReaderSize(os.Stdin, 1<<20)}
}

func (fs *FastScanner) nextInt64() int64 {
	var sign int64 = 1
	var val int64 = 0
	c, err := fs.r.ReadByte()
	for (c < '0' || c > '9') && c != '-' {
		c, err = fs.r.ReadByte()
		if err != nil {
			return 0
		}
	}
	if c == '-' {
		sign = -1
		c, _ = fs.r.ReadByte()
	}
	for c >= '0' && c <= '9' {
		val = val*10 + int64(c-'0')
		c, err = fs.r.ReadByte()
		if err != nil {
			break
		}
	}
	return val * sign
}

func main() {
	in := NewFastScanner()
	out := bufio.NewWriterSize(os.Stdout, 1<<20)
	defer out.Flush()

	n := int(in.nextInt64())
	w := make([]int, n)
	for i := 0; i < n; i++ {
		x := uint64(in.nextInt64())
		w[i] = bits.OnesCount64(x)
	}

	cnt := [2]int64{1, 0}
	par := 0
	for i := 0; i < n; i++ {
		par ^= (w[i] & 1)
		cnt[par]++
	}
	totalEven := cnt[0]*(cnt[0]-1)/2 + cnt[1]*(cnt[1]-1)/2

	var bad int64 = 0
	for r := 0; r < n; r++ {
		s := 0
		mx := 0
		lmin := r - 60 + 1
		if lmin < 0 {
			lmin = 0
		}
		for l := r; l >= lmin; l-- {
			s += w[l]
			if w[l] > mx {
				mx = w[l]
			}
			if (s&1) == 0 && 2*mx > s {
				bad++
			}
		}
	}

	ans := totalEven - bad
	fmt.Fprintln(out, ans)
}
```