# include <stdio.h>

# define input "permutari.in"
# define output "permutari.out"

# define max 10

int n,u[max],a[max];

void afiseaza()
{
     for(int i = 1;i<=n ;i++)
        printf("%d ",a[i]);
     printf("\n");    
}

void back(int k)
{
     if(k == n+1)
          afiseaza();
     else
     {
         for(int i = 1;i<=n;i++)
         {
                 if(!u[i])
                 {
                          u[i] = 1;
                          a[k] = i;
                          back(k+1);
                          u[i] = 0;
                 }
         }
     }
}

int main()
{
    freopen(input, "r", stdin);
    freopen(output, "w", stdout);
    
    scanf("%d",&n);
    
    back(1);
    
    return 0;
}