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#include <stdio.h>
using namespace std;
FILE *f=fopen("permutari.in","r");
FILE *g=fopen("permutari.out","w");
int N,s[10];
bool bf[10];
int v(int k)
{
for(int i=1;i<k;i++)
if(s[i]==s[k])
return 0;
return 1;
}
void a()
{
for(int i=1;i<=N;i++)
fprintf(g,"%d ",s[i]);
fprintf(g,"\n");
}
void b(int k)
{
for(int i=1;i<=N;i++)
{
s[k]=i;
if(v(k))
if(k==N) a();
else b(k+1);
}
}
int main()
{
fscanf(f,"%d",&N);
b(1);
return 0;
}