#include <bits/stdc++.h>
#define INF 0x3f3f3f3f
#define NMAX 50005

using namespace std;

ifstream fin("fisier.in");
ofstream fout("fisier.out");

int main() {
    int n,i,curr,start=2,j;
    long long gauss,e;

    fin>>n>>e;

    for(i=2,curr=0;i<=n+1;++i) {
        if(1LL*(curr+1)*(curr+2)/2+n-i<=e)
            ++curr;
        else {
            e-=1LL*curr*(curr+1)/2;
            curr=0;

            for(j=i-1;j>start;--j) fout << j << ' ' << j-1<<'\n';
            fout << start << " 1\n";
            start = i;
        }
    }

    return 0;
}