#include<stdio.h>
#include<ctype.h>
int main(){
    int n,m,a,b,c,d;
    scanf("%d \n%d %d %d %d %d",&n,&m,&a,&b,&c,&d);
    if(n<0 || m<0 ||a<0 || b<0 || c<0 || d<0){
        printf("Invalid Input");
    }
    for(int i=1;i=m,n,a,b,c,d;i++){
        if(i%2==0){
            printf("%d ",i);
        }else if(i%2!=0){
            printf("\n%d ",i);
        }
    }
    return 0;
}