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#include <bits/stdc++.h>
using namespace std;
ifstream in("combinari.in");
ofstream out("combinari.out");
int n,k;
int a[100],f[100];
void print(int j)
{
for (int i=0;i<=j;i++)
out<<a[i]<<' ';
out<<'\n';
}
void dfs(int i, int p)
{
if (i==k) {
print(i-1);
return;
}
for (int x=1;x<=n;x++)
{
if (f[x]==0 and x>p)
{
f[x]=1;
a[i]=x;
dfs(i+1,x);
f[x]=0;
}
}
}
int main()
{
in>>n>>k;
dfs(0,0);
}