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#include<iostream>
#include<fstream>
using namespace std;
ifstream in("combinari.in");
ofstream out("combinari.out");
bool f[12];
int v[12],n,m;
void bkt(int k)
{
if(k==m+1)
{
for(int i=1;i<=m;i++)
out<<v[i]<<" ";
out<<'\n';
}
for(v[k]=v[k-1];v[k]<=n;v[k]++)
{
if(f[v[k]]==0)
{
f[v[k]]=1;
bkt(k+1);
f[v[k]]=0;
}
}
}
int main()
{
in>>n>>m;
v[0]=1;
bkt(1);
}