#include <bits/stdc++.h>
#include "artclass.h"
using namespace std;
int style(int H, int W, int R[500][500], int G[500][500], int B[500][500]) {
int sum=0,cnt=1;
for(int i=0;i<W;i++){
for(int j=0;j<H;j++){
if(i>0){
cnt++;
sum+=abs(R[i][j]-R[i-1][j])+abs(G[i][j]-G[i-1][j])+abs(B[i][j]-B[i-1][j]);
}
if(j>0){
cnt++;
sum+=abs(R[i][j]-R[i][j-1])+abs(G[i][j]-G[i][j-1])+abs(B[i][j]-B[i][j-1]);
}
}
}
sum/=H*W;
if(sum<15)return 4;
if(sum>100)return 3;
if(sum>40)return 2;
return 1;
/* if(sum)
std::cout<<sum<<endl;
return 1;
/*
* 1:
* 34
* 35
* 20
* 50
* 34
* 43
*
* 2:
* 42
* 54
* 29
* 41
* 90
*
* 3:
* 148
* 100
* 112
* 118
* 50
*
* 4:
* 6
* 8
* 4
*
*/
}
