#include<stdio.h>
int main(){
    int n,i,value,printed=0;
    if(scanf("%d",&n)!=1||n<1||n>10000){
        printf("Invalid input");
        return0;
    }
for(i=0;i<n;i++){
    if(scanf("%d",&value)!=1||value<-1-100000||value>100000){
        printf("Invalid input");
        return 0;
    }
if(value%2==0){
    if(printed)printf(" ");
    printf("%d",value);
    printed=1;

    }
}
if(!printed)
printf("empty");
return 0;
}