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#include <iostream>
#include <fstream>
using namespace std;
ifstream f("permutari.in");
ofstream g("permutari.out");
int i,n,k,x[100];
int cond(int k)
{
for(i=1;i<=k-1;i++)
if(x[k]==x[i])return 0;
return 1;
}
void back()
{
k=1;
x[k]=0;
do
{
while(x[k]<n)
{
x[k]=x[k]+1;
if(cond(k))
if(k==n){for(i=1;i<=n;i++)g<<x[i]<<" ";
g<<endl;}
else {k++;x[k]=0;}
}
k--;
}while(k>0);
}
int main()
{
f>>n;
back();
return 0;
}