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#include <fstream>
using namespace std;
ifstream f("permutari.in");
ofstream g("permutari.out");
int n;
int x[100], m, uz[100];
void gen(int k)
{
int i;//!!!
if (k>n)// n=m
{for (i=1;i<=n;i++)// n=m
g<<x[i]<<' ';
g<<'\n';
}
else
for (i=1;i<=n;i++)
if (!uz[i])
{
uz[i]=1;
x[k]=i;
gen(k+1);
uz[i]=0;
}
}
int main()
{
f>>n; //n>m
gen(1);
return 0;
}