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#include <bits/stdc++.h>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int st[10];
bitset <10> v;
int n,k;
void Fish(int n){
for(int i=1;i<=n;i++) fout << st[i] << " ";
fout << "\n";
}
void Back(int top){
if(top==k+1){
Fish(top-1);
return;
}
for(int i=st[top-1];i<=n;i++){
if(!v[i]){
v[i]=1;
st[top]=i;
Back(top+1);
v[i]=0;
}
}
}
int main()
{
fin >> n >> k;
st[0]=1;
Back(1);
return 0;
}