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#include <bits/stdc++.h>
using namespace std;
ifstream fin("permutari.in");
ofstream fout("permutari.out");
int n, v[10];
int print() {
for(int i = 1; i <= n; i++)
fout << v[i] << " ";
fout << "\n";
}
int check(int k) {
for(int i = 1; i < k; i++)
if(v[i] == v[k])
return 0;
return 1;
}
void bkt(int k) {
if(k == n + 1)
print();
else {
for(int i = 1; i <= n; i++) {
v[k] = i;
if( check(k) )
bkt(k + 1);
}
}
}
int main() {
fin >> n;
bkt(1);
return 0;
}