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#include <iostream>
#include <fstream>
#include <string.h>
using namespace std;
ifstream f("permutari.in");
ofstream g("permutari.out");
int n,k,v[10];
void init(){v[k]=0;}
int sol(){return n==k;}
int cond()
{
int i,c=1;
for(i=1;i<k;i++)
if(v[k]==v[i])c=0;
return c;
}
void afisare()
{
for(int i;i<=n;i++)
g<<v[i]<<" ";
g<<'\n';
}
void bt()
{
k=1;
init();
while(k>0)
{
while(v[k]<n)
{
v[k]++;
if(cond())if(sol())afisare();
else{k++;init();}
}
k--;
}
}
int main()
{
f>>n;
bt();
return 0;
}