# include "bits/stdc++.h"
using namespace std;
using LL = long long;
using ULL = unsigned long long;
const double PI = acos(-1);
template<class T>constexpr T INF() { return ::std::numeric_limits<T>::max(); }
template<class T>constexpr T HINF() { return INF<T>() / 2; }
template <typename T_char>T_char TL(T_char cX) { return tolower(cX); };
template <typename T_char>T_char TU(T_char cX) { return toupper(cX); };
typedef pair<LL, LL> pii;
const int vy[] = { -1, -1, -1, 0, 1, 1, 1, 0 }, vx[] = { -1, 0, 1, 1, 1, 0, -1, -1 };
const int dx[4] = { 0,1,0,-1 }, dy[4] = { 1,0,-1,0 };
int popcnt(unsigned long long n) { int cnt = 0; for (int i = 0; i < 64; i++)if ((n >> i) & 1)cnt++; return cnt; }
int d_sum(LL n) { int ret = 0; while (n > 0) { ret += n % 10; n /= 10; }return ret; }
int d_cnt(LL n) { int ret = 0; while (n > 0) { ret++; n /= 10; }return ret; }
LL gcd(LL a, LL b) { if (b == 0)return a; return gcd(b, a%b); };
LL lcm(LL a, LL b) { LL g = gcd(a, b); return a / g*b; };
# define ALL(qpqpq)           (qpqpq).begin(),(qpqpq).end()
# define UNIQUE(wpwpw)        sort(ALL((wpwpw)));(wpwpw).erase(unique(ALL((wpwpw))),(wpwpw).end())
# define LOWER(epepe)         transform(ALL((epepe)),(epepe).begin(),TL<char>)
# define UPPER(rprpr)         transform(ALL((rprpr)),(rprpr).begin(),TU<char>)
# define FOR(i,tptpt,ypypy)   for(LL i=(tptpt);i<(ypypy);i++)
# define REP(i,upupu)         FOR(i,0,upupu)
# define INIT                 std::ios::sync_with_stdio(false);std::cin.tie(0)

int n, m;
int e[1010];
vector<pair<double, int>> v;

bool kado(int a, int b, int c){
    if(a == b || a == c || b == c)return false;
    int mid = a + b + c - max({a, b, c}) - min({a, b, c});
    if(mid == a || mid == c)return true;
    return false;
}

void solve(int idx){
    double sum = 0.0;
    REP(i, n)cin >> e[i];
    double cnt = 0;
    REP(i, n)for(int j = i + 1;j < n;j++){
        if(i == j)continue;
        int maxl = 0;
        REP(k, n){
            if(i == k || j == k)continue;
            if(k < i && kado(e[k], e[i], e[j])){
                maxl = max(maxl, e[k]);
            }
            if(i < k && k < j && kado(e[i], e[k], e[j])){
                maxl = max(maxl, e[k]);
            }
            if(j < k && kado(e[i], e[j], e[k])){
                maxl = max(maxl, e[k]);
            }
        }
        sum += maxl;
        cnt += 1.0;
    }
    v.emplace_back(make_pair(sum/cnt, -idx));
}

int main(){
    INIT;
    cin >> n >> m;
    REP(i, m){
        solve(i);
    }
    sort(ALL(v));
    reverse(ALL(v));
    cout << -v[0].second << endl;
}