#include "bits/extc++.h"
using namespace std;
template <typename T>
void dbgh(const T& t) {
cerr << t << endl;
}
template <typename T, typename... U>
void dbgh(const T& t, const U&... u) {
cerr << t << " | ";
dbgh(u...);
}
#ifdef DEBUG
#define dbg(...) \
cerr << "L" << __LINE__ << " [" << #__VA_ARGS__ << "]: "; \
dbgh(__VA_ARGS__);
#else
#define dbg(...)
#define cerr \
if (false) \
cerr
#endif
#define endl "\n"
#define long int64_t
#define sz(x) int((x).size())
extern "C" int style(int n,
int m,
int arrr[500][500],
int arrg[500][500],
int arrb[500][500]) {
int cnt[8] {}, lim = 128;
for (int i = 0; i < n; i++) {
for (int j = 0; j < m; j++) {
int x = 0;
x = (x << 1) | (arrr[i][j] > lim);
x = (x << 1) | (arrg[i][j] > lim);
x = (x << 1) | (arrb[i][j] > lim);
cnt[x]++;
}
}
if (cnt[7] <= 20000) {
return 4;
} else if (cnt[7] >= 80000) {
return 1;
} else if (35000 <= cnt[7] && cnt[7] <= 55000) {
return 2;
} else {
return 3;
}
// for (int i = 0; i < 8; i++) {
// cout << cnt[i] << " \n"[i == 7];
// }
// cout << cnt[7] << endl;
return 0;
}
