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#include<cstdio>
int n,st[9];
int verif(int val,int poz)
{
int i;
for(i=1;i<=poz;i++)
if(st[poz]==val)
return 0;
return 1;
}
void back(int k)
{
int i;
if(k==n+1)
{
for(i=1;i<=n;i++)
printf("%d ",st[i]);
printf("\n");
}
else
for(i=1;i<=n;i++)
if(verif(i,k)==1)
{
st[k]=i;
back(k+1);
}
}
int main ()
{
freopen("permutari.in","r",stdin);
freopen("permutari.out","w",stdout);
scanf("%d",&n);
back(1);
return 0;
}