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#include <fstream>
using namespace std;
ifstream f("permutari.in");
ofstream g("permutari.out");
int n,i,v[10];
void sch(int &x, int &y)
{
int aux;
aux=x;
x=y;
y=aux;
}
void perm(int i, int n)
{
int j;
if(n==i)
{
for(int k=1;k<=n;++k)
g<<v[k]<<" ";
g<<'\n';
}
else
{
for(j=i;j<=n;++j)
{
sch(v[i],v[j]);
perm(i+1,n);
sch(v[i],v[j]);
}
}
}
int main()
{
f>>n;
for(i=1;i<=n;++i)
v[i]=i;
perm(1,n);
return 0;
}