#include <bits/stdc++.h>
#include <atcoder/all>
using mint = atcoder::static_modint<998244353>;
// using mint = atcoder::static_modint<1000000007>;
using namespace std;
using namespace atcoder;
using ld = long double;
using ll = long long;
#define mp(a,b) make_pair(a,b)
#define rep(i,s,n) for(int i=s; i<n; i++)
const vector<int> dx{1,0,-1,0},dy{0,1,0,-1};

int main(){
    int x,y;
    cin >> x >> y;
    rep(i,0,x){
        int u=i,v=(i+1)%x;
        cout << u+1 << " " << v+1 << "\n";
    }
    int cnt=x+1;
    rep(i,1,x+1){
        int p=i;
        rep(j,0,y-1){
            cout << p << " " << cnt << "\n";
            p=cnt;
            cnt++;
        }
    }
}