#include <bits/stdc++.h>
#define dd(x) cout << #x << "\n"
#define d(x) cout << #x  << ": " << x << "\n"
#define SZ(x) ((int)(x).size())
using namespace std;
#define int long long
using pii = pair<int, int>;
using vpii = vector<pii>;
using vi = vector<int>;
using vii = vector<vector<int>>;
using a3 = array<int, 3>;
using ll = long long;
const int inf = 0x3f3f3f3f3f3f3f3fLL;

// #define MULTI_TEST

void solve() {
    int n, m; cin >> n >> m;
    for(int i = 1; i < n; i++) {
        cout << i << " " << n << "\n";
    }

    m -= n - 1;
    for(int i = 1; i < n; i++) {
        for(int j = i + 1; j < n; j++) {
            if(m <= 0) break;
            cout << i << " " << j << "\n";
        }
    }
    
}

signed main() {
    ios::sync_with_stdio(false); cin.tie(0);
#ifdef MULTI_TEST
    int T; cin >> T;
#else
    int T = 1;
#endif
    while(T--) solve();
    return 0;
}