#include <stdio.h>
#include <algorithm>

using namespace std;

int main(){
    freopen("permutari.in","r",stdin); 
    freopen("permutari.out","w",stdout);
    char n,i,a[16],ok;
    scanf("%d", &n);

    for (i=1;i<=n;i++)
        a[i]=i;
    do{
       for (i=1;i<=n;i++)
           printf("%d ",a[i]);   
        printf("\n");
        ok=next_permutation(a+1,a+n+1);
    }
    while(ok);

return 0;
}