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#include <fstream>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n, m, sol[9], viz[9];
void afisare()
{
for(int i=0; i<m; i++)
fout << sol[i] << ' ';
fout << '\n';
}
void gen_permutari(int k)
{
if(k==m)
{
afisare();
return;
}
for(int i=sol[k-1]+1; i<=n; i++)
{
if(viz[i] == 0)
{
viz[i] = 1;
sol[k] = i;
gen_permutari(k+1);
viz[i] = 0;
}
}
}
int main()
{
fin >> n >> m;
gen_permutari(0);
return 0;
}