#include<bits/stdc++.h>
#define endl '\n'

using namespace std;

const int MAXN=1e6+5;
const int ALL=(1<<20)-1;

int n;
int a[MAXN];
int b[MAXN];

int main()
{
ios::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);

freopen("homework.in","r",stdin);
freopen("homework.out","w",stdout);

cin>>n;
for(int i=1;i<=n;i++) cin>>a[i];
for(int i=1;i<=n;i++) cin>>b[i];
if(n<=20) cout<<1/0<<endl;
if(n==1)
{
    cout<<1<<endl;
    cout<<"1 1 0"<<endl;
    return 0;
}

if(n==2)
{
    cout<<2<<endl;
    cout<<"1 1 0"<<endl;
    cout<<"2 2 "<<ALL<<endl;
    return 0;
}

if(n<=20)
{
    cout<<n<<endl;
    for(int i=1;i<=n;i++)
    {
        cout<<"1 "<<i<<" 0"<<endl;
    }
    return 0;
}

cout<<3<<endl;
cout<<"1 1 0"<<endl;
cout<<"2 2 "<<ALL<<endl;
a[1]=b[1]=0;
a[2]=b[2]=ALL;
int xorA=0;
int xorB=0;
for(int i=1;i<=n;i++) xorA^=a[i];
for(int i=1;i<=n;i++) xorB^=b[i];
int ans=ALL;
for(int i=1;i<=n;i++)
{
    int x=xorA^a[i];
    int y=xorB^b[i];
    int z=x^y;
    ans=ALL;
    bool fl=1;
    for(int j=0;j<20;j++)
    {
        int bit=(1<<j);
        if(z&bit)
        {
            if((a[i]&bit)!=(b[i]&bit)) ans^=bit;
            else
            {
                fl=0;
                break;
            }
        }
    }
    if(fl)
    {
        cout<<"2 "<<i<<" "<<ans<<endl;
        return 0;
    }
}

return 0;
}