#include <bits/stdc++.h>

using namespace std;
long long N, M, K, L;

long long v[40][40][40][40];
long long a, b, c, d;
long long ans=2000000000;
long long solve(long long i, long long j, long long k, long long l)
{
    return v[i+1][j+b][k+c][l+d] - v[i][j][k+c][l+d] + v[i][j+b][k+c][l+d] + v[i+a][j][k+c][l+d]
                                 +v[i+a][j+b][k][l+d] + v[i][j][k][l+d] - v[i][j+b][k][l+d] - v[i+a][j][k][l+d]
                                 +v[i+a][j+b][k+c][l] + v[i+a][j+b][k+c][l] - v[i][j+b][k+c][l] - v[i+a][j][k+c][l];
}

int main()
{
                 cout<<2<<'\n';



    return 0;
}