#include<bits/stdc++.h>
using namespace std;
int n,r;
const int N=20;
int a[N],vis[N];
void dfs(int u){
if(u==r+1){
for(int i=1;i<=r;i++){
printf("%d ",a[i]);
}
puts("");
return;
}
for(int i=1;i<=n;i++){
if(vis[i]==0){
vis[i]=1;
a[u]=i;
dfs(u+1);
vis[i]=0;
}
}
}
int main(){
freopen("a.in","r",stdin);
freopen("a.out","w",stdout);
scanf("%d %d",&n,&r);
a[0]=1;
dfs(1);
return 0;
}