#include <stdio.h>

int stack[100];
int top = -1;

void push(int x){
    stack[++top] = x;
}

void pop(){
   top = -1;
}

int main(){
    int arr[] = {2,4,7,6,8};
    
    for (int i = 0;i < 5;i++) {
        if (arr[i] % 2 == 1) {
            pop();
        }else{
            push(arr[i]);
        }
    }
    
    for (int i = 0; i <= top; i++) {
        printf("%d ", stack[i]);
    }
}