#include "artclass.h"
#include<bits/stdc++.h>
using namespace std;
int style(int H,int W,
int R[500][500],int G[500][500],int B[500][500]){
double all = 0;
double ma = 0 , xd = 0;
for(int i = 0;i<H;i++){
ma+=G[i][0];
for(int j = 1;j<W;j++){
xd ++;
all+=abs(R[i][j]-R[i][j-1]);
all+=abs(G[i][j]-G[i][j-1]);
ma+=G[i][j];
all+=abs(B[i][j]-B[i][j-1]);
}
}
for(int i = 1;i<H;i++){
for(int j = 0;j<W;j++){
all+=abs(R[i-1][j]-R[i][j]);
all+=abs(G[i-1][j]-G[i][j]);
all+=abs(B[i-1][j]-B[i][j]);
}
}
ma/=double(H*W);
all/=double(xd);
if(ma>=200)return 2;
if(all<=9)return 4;
if(all<=24)return 1;
return 3;
}
