5 3
3 -35 92 213 -644

213 92 3

#include <iostream>
#include <cstring>
#include <cstdio>
using namespace std;
int my[1000010];
int main(){
    memset(my,0,sizeof(my));
    int n,m,i,in;
    while(scanf("%d%d",&n,&m)!=EOF){
        for(i=0;i<n;i++){
            scanf("%d",&in);
            my[in+500000]=1;
        }
        for(i=1000000;m>0;i--){
            if(my[i]==1){
                 printf("%d",i-500000);
                 if(m>1)putchar(32);
                 else putchar(10);
                 m--;
            }
        }
    }
    return 0;
}