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#include<bits/stdc++.h>
using namespace std;
ifstream f("permutari.in");
ofstream g("permutari.out");
int a[1000], n;
void permute(int l, int r){
int i;
if (l==r) {
for(int k=1; k<=n; k++) g<<a[k]<<" ";
g<<endl;
}
else for(i=l; i<=r; i++){
swap(a[l], a[i]);
permute(l+1, r);
swap(a[l], a[i]);
}
}
int main(){
f>>n;
for(int i=1; i<=n; i++) a[i]=i;
permute(1, n);
return 0;
}