#include <bits/stdc++.h>
#include "artclass.h"
#define F first
#define S second
#define P push
#define pb push_back
#define MEM(dp,i) memset(dp,i,sizeof(dp))
#define WH while
#define RE return
#define CO continue
#define SI size()
#define ll long long
#define ld long double
#define pll pair<ll,ll>
#define pii pair<int,int>
#define SF(x) scanf("%I64d",&x)
#define SF2(x,y) scanf("%I64d%I64d",&x,&y)
#define SF3(x,y,z) scanf("%I64d%I64d%I64d",&x,&y,&z)
#define SF4(x,y,z,o) scanf("%I64d%I64d%I64d%I64d",&x,&y,&z,&o)
#define all(v) v.begin(),v.end()
using namespace std;
const long long INF = 1e9;
const int MX=100005;
int style(int H, int W, int R[500][500], int G[500][500], int B[500][500]) {
int r=0;
for(int i=0;i<H;i++){
for(int j=0;j<W;j++){
if(R[i][j]<=G[i][j]+40&&B[i][j]<=G[i][j]+40)
r++;
}
}
if(r>=(H*W/4))return 2;
else return 0;
}
