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#include <stdio.h>
#undef back
using namespace std;
int x[100],use[100],n;
int afis()
{
int i;
for(i=1;i<=n;i++)
printf("%d ",x[i]);
printf("\n");
}
void back(int k)
{
int i;
if(k>n)afis();
else
for(i=1;i<=n;i++)
if(!use[i])
{
use[i]=1;
x[k]=i;
back(k+1);
use[i]=0;
}
}
int main()
{
int i;
freopen("permutari.in","r",stdin);
freopen("permutari.out","w",stdout);
scanf("%d",&n);
back(1);
return 0;
}