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#include <stdio.h>
using namespace std;
int i,n, st[8];
void tipar(int p)
{
for(i=1;i<=p;i++)
printf("%d ",st[i]);
printf("\n");
}
bool valid(int p)
{
for(i=1;i<=p;i++)
{
int j=i+1;
while(j<=p)
{
if(st[i]==st[j])return 0;
j++;
}
}
return 1;
}
void back(int p)
{
for(int pval=1;pval<=n;pval++)
{
st[p]=pval;
if(valid(p))
{
if(p==n)
tipar(p);
else back(p+1);
}
}
}
int main()
{
freopen("permutari.in","r",stdin);
freopen("permutari.out","w",stdout);
scanf("%d" ,&n);
back(1);
return 0;
}