#include<cstdio>
int n;
void scrie(int x)
{
    for(int i=1;i<=n;i++)
        if((x&(1<<(i-1)))!=0)
            printf("%d ",i);
    printf("\n");
}
int main()
{
    freopen("submultimi.in","r",stdin);
    freopen("submultimi.out","w",stdout);
    scanf("%d",&n);
    for(int i=1;i<(1<<n);i++)
        scrie(i);
    return 0;
}