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#include<fstream>
#include<stdio.h>
using namespace std;
long st[20],n,k;
ofstream g("combinari.out");
void scrie()
{
for(long i=1;i<=k;i++)
g<<st[i]<<" ";
g<<'\n';
}
long verif(long p)
{
for(long i=1;i<p;i++)
if(st[i]==st[p] || st[i]>st[p])
return 0;
return 1;
}
void backtr(long p)
{
for(long i=1;i<=n;i++)
{
st[p]=i;
if(verif(p))
{
if(p==k)
scrie();
else
backtr(p+1);
}
}
}
int main()
{
freopen("combinari.in","r",stdin);
scanf("%ld%ld",&n,&k);
backtr(1);
return 0;
}