#include <bits/stdc++.h>
using namespace std;

int n,m;
int arr[10];
bool isused[10];

void NM(int now_num) {
    //base condition
    if(now_num==m) {
        for(int i=0; i<m; i++) {
            cout << arr[i] << ' ';
        }
        cout << '\n';
        return;
    }
    for(int i=1; i<=n; i++) {
        if(!isused[i]) {
            arr[now_num]=i;
            isused[i]=1;
            NM(now_num+1);
            isused[i]=0;
        }
    }
    
}

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);
    cin >> n >> m;
    NM(0);
    return 0;
}

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