func fairRations(B []int32) string {
    oddIndex := -1
    totalBreads := int32(0)
    
    for i := 0; i < len(B); i++ {
        if B[i]%2 > 0 {
            if oddIndex < 0 {
                oddIndex = i
                continue
            }
            
            totalBreads += int32((i - oddIndex) * 2)
            oddIndex = -1
        }
    }
    if oddIndex >= 0 {
        return "NO"
    }
    
    return fmt.Sprintf("%d", totalBreads)
}