#include <bits/stdc++.h>
#pragma GCC optimize(3, "Ofast", "inline")
#define endl '\n'
#define int long long
using namespace std;
typedef long long ll;
typedef pair<int, int> PII;
#define x first
#define y second
const int N = 1e6 + 10;
const int mod = 1e9 + 7;
typedef pair<double, double> pdd;
int n, m, k;
// int a[N];

string a2[9]={
    "000010000",
    "000111000",
    "000010000",
    "010010010",
    "111111111",
    "010010010",
    "000010000",
    "000111000",
    "000010000"
};

int qmi(int x,int y){
    int res=1;
    while(y){
        if(y&1) res*=x;
        x*=x;
        y>>=1;
    }
    return res;
}

void sovle()
{
    cin>>n;
    string a,b;
    cin>>a>>b;
    // cout<<a<<" "<<b<<endl;
    // cout<<na<<" "<<nb<<endl;
    if(n==1){
        if(a[0]=='1' or b[0]=='1'){
            cout<<1<<endl;
        }else{
            cout<<0<<endl;
        }
        return;
    }
    while(a.size()<2){
        a='0'+a;
    }while(b.size()<2){
        b='0'+b;
    }
    // cout<<a.size()<<" "<<b.size()<<endl;
    int na=a.size(),nb=b.size();
    int n1=0,n2=0,cnt=1;
    for(int i=na-1;i>=na-2;i--) n1+=(a[i]-'0')*cnt,cnt*=3;   
    cnt=1;
    for(int i=nb-1;i>=nb-2;i--) n2+=(b[i]-'0')*cnt,cnt*=3;
    // for(int i=n;i>=3;i--){
    //     n1%=qmi(3,i-1);
    //     n2%=qmi(3,i-1);
    // }
    // cout<<n1<<" "<<n2<<endl;
    // cout<<n1<<" "<<n2<<endl;
    cout<<a2[n1][n2];
}
signed main()
{
    ios::sync_with_stdio(false), cin.tie(0), cout.tie(0);
    int t = 1;
    // cin >> t;
    while (t--)
    {
        sovle();
    }
    return 0;
}
/*
0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 
0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 
0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 
0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 
0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 
0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 
0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 
0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 
0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 
0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 
0 0 0 1 1 1 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 1 1 1 0 0 0 
0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 
0 1 0 0 1 0 0 1 0 0 1 0 0 1 0 0 1 0 0 1 0 0 1 0 0 1 0 
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 
0 1 0 0 1 0 0 1 0 0 1 0 0 1 0 0 1 0 0 1 0 0 1 0 0 1 0 
0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 
0 0 0 1 1 1 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 1 1 1 0 0 0 
0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 
0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 
0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 
0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 
0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 
0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 
0 0 0 0 0 0 0 0 0 0 1 0 0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 
0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 
0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 
0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 


*/