#include "artclass.h"
#include<bits/stdc++.h>
#define fori(a,b,c) for(int a=b; a<c; a++)
#define ford(a,b,c) for(int a=b; a>=c; a++)
#define pb push_back
#define pq priority_queue
#define fi first
#define se second
#define pii pair<int,int>
#define mp make_pair
using namespace std;
int h,w;
int style(int H, int W, int R[500][500], int G[500][500], int B[500][500]) {
h=H;
w=W;
int g=0,r=0,b=0;
fori(i,0,h){
fori(j,0,w){
r+=R[i][j];
g+=G[i][j];
b+=B[i][j];
}
}
if(g+b>=r && g>=b)
return 2;
return 4;
}
