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#include<cstdio>
int p,n,st[20];
void afisare(){
int i;
for(i=1;i<=n;i++)
printf("%d ",st[i]);
printf("\n");
}
int valid(int k){
int i;
for(i=1;i<k;i++)
if(st[i]==st[k])
return 0;
return 1;
}
void back(int k){
int i;
if(k==n+1)
afisare();
else{
for(i=1;i<=n;i++){
st[k]=i;
if(valid(k)==1)
back(k+1);
}
}
}
int main(){
freopen("permutari.in","r",stdin);
freopen("permutari.out","w",stdout);
scanf("%d",&n);
back(1);
return 0;
}