#include <cstdio>
FILE *g=fopen("permutari.out","w");
int used[10],x[10],n;

void afish()
{
    int i;
    for(i=1; i<=n; i++)
        fprintf(g,"%d ",x[i]);
    fprintf(g,"\n");
}

void perm(int k)
{
    for(x[k]=1; x[k]<=n; x[k]++)
        if(!used[x[k]])
        {
            used[x[k]]=1;
            if(k==n)afish();
            else perm(k+1);
            used[x[k]]=0;
        }
}

int main()
{
    FILE *f=fopen("permutari.in","r");
    fscanf(f,"%d",&n);
    perm(1);
    return 0;
}