Buggy python submission (verdict: Runtime Error):
n=int(input())
lists=list(map(int,input().split()))
anslists=[0]*(n)

for i in range(n-1,-1,-1):
 # i= n-1, n-2......1,0
 #左からi+1番目に着いて調べる
    number=n//(i+1)
    if number==1:
          anslists[i]=lists[i]
    else:
　　    
        for some in range(number):
               check+=anslists[(i+1)*(some+1)]
        nums=check-lists[i]
        if nums%2==0:
           anslists[i]=lists[i]
        elif nums%2!=0:
           if lists[i]==0:
               anslists[i]=1
           if lists[i]==1:
               anslists[i]=0
Anscnt=0
Anslist=[]
for j in range(n):
    if anslists[j]==1:
        Anslist.append(j+1)
        Anscnt+=1
print(Anscnt)
print(*Anslist)


        
           
           
  

           
       
        
   
          
          


Fixed submission:
n=int(input())
lists=list(map(int,input().split()))
lists.insert(0,0)
anslists=[0]*(n+1)
for j in range(n,0,-1):
# j=n,n-1,.......,2,1という感じ
    numbers=n//j
    if numbers==1:
        anslists[j]=lists[j]
    else:
        check=0
        for i in range(2,numbers+1):
            check+=anslists[i*j]
            
        if check%2==0:
            anslists[j]=lists[j]
            
        else:
            
            if lists[j]==1:
                anslists[j]=0
                
            if lists[j]==0:
                anslists[j]=1
                

printA=0

del anslists[0]


Anslist=[]
for k in range(n):
    if anslists[k]==1:
        printA+=1
        Anslist.append(k+1)
print(printA)
print(*Anslist)

Buggy python submission (verdict: Runtime Error):
n=int(input())
lists=list(map(int,input().split())
anslists=[0]*(n+1)

for i in range(n-1,-1,-1):
 # i= n-1, n-2......1,0
 #左からi+1番目に着いて調べる
    number=n//(i+1)
    if number==1:
          anslists[i]=lists[i]
    else:
        cnt=0
        check=0
        while cnt<=number-1:
           check+=anslists[i+cnt*(i+1)]
           cnt+=1
        nums=check-lists[i]
        if nums%2==0:
           anslists[i]=lists[i]
        elif nums%2!=0:
           if lists[i]==0:
               anslists[i]=1
           if lists[i]==1:
               anslists[i]=0
           
           
print(*anslists)
        
           
           
  

           
       
        
   
          
          


Fixed submission:
n=int(input())
lists=list(map(int,input().split()))
lists.insert(0,0)
anslists=[0]*(n+1)
for j in range(n,0,-1):
# j=n,n-1,.......,2,1という感じ
    numbers=n//j
    if numbers==1:
        anslists[j]=lists[j]
    else:
        check=0
        for i in range(2,numbers+1):
            check+=anslists[i*j]
            
        if check%2==0:
            anslists[j]=lists[j]
            
        else:
            
            if lists[j]==1:
                anslists[j]=0
                
            if lists[j]==0:
                anslists[j]=1
                

printA=0

del anslists[0]


Anslist=[]
for k in range(n):
    if anslists[k]==1:
        printA+=1
        Anslist.append(k+1)
print(printA)
print(*Anslist)

Buggy python submission (verdict: Runtime Error):
n=int(input())
lists=list(map(int,input().split())
anslists=[0]*(n+1)

for i in range(n-1,-1,-1):
    cnt=0
    check=0
 # i= n-1, n-2......1,0
 #左からi+1番目に着いて調べる
    number=n//(i+1)
    if number==1:
          anslists[i]=lists[i]
    else:
        while cnt<=number-1:
           check+=anslists[i+cnt*(i+1)]
        nums=check-lists[i]
        if nums%2==0:
           anslists[i]=lists[i]
        elif nums%2!=0:
           if lists[i]==0:
               anslists[i]=1
           if lists[i]==1:
               anslists[i]=0
           
           
print(*anslists)
        
           
           
  

           
       
        
   
          
          

Fixed submission:
n=int(input())
lists=list(map(int,input().split()))
lists.insert(0,0)
anslists=[0]*(n+1)
for j in range(n,0,-1):
# j=n,n-1,.......,2,1という感じ
    numbers=n//j
    if numbers==1:
        anslists[j]=lists[j]
    else:
        check=0
        for i in range(2,numbers+1):
            check+=anslists[i*j]
            
        if check%2==0:
            anslists[j]=lists[j]
            
        else:
            
            if lists[j]==1:
                anslists[j]=0
                
            if lists[j]==0:
                anslists[j]=1
                

printA=0

del anslists[0]


Anslist=[]
for k in range(n):
    if anslists[k]==1:
        printA+=1
        Anslist.append(k+1)
print(printA)
print(*Anslist)