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#include<fstream>
using namespace std;
ifstream in("permutari.in");
ofstream out("permutari.out");
int n,ok,s[10];
int valid(int x)
{
for(int i=1;i<x;++i)
if(s[i]==s[x])
return 0;
return 1;
}
void bkt(int k)
{
int i,j;
for(i=1;i<=n;++i){
s[k]=i;
if(valid(k))
if(k==n){
for(j=1;j<=n;++j)
out<<s[j]<<' ';
out<<'\n';
}
else bkt(k+1);
}
}
int main(){
in>>n;
bkt(1);
return 0;
}