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#include <bits/stdc++.h>
using namespace std;
FILE *F=fopen("permutari.in", "r"), *G=fopen("permutari.out", "w");
int n, fr[15], st[15], k;
void bck()
{
if(k == n)
{
for(int i = 0; i < n; ++ i)
fprintf(G, "%d ", st[i]);
fputc('\n', G);
return;
}
for(int i = 1; i <= n; ++ i)
if(!fr[i])
{
fr[i] = 1;
st[k] = i;
k++;
bck();
k--;
fr[i] = 0;
}
}
int main()
{
fscanf(F, "%d ", &n);
bck();
return 0;
}