#include<stdio.h>
void findCommonElements(int *arr1, int n, int *arr2, int m){
    if(n <= 0 || m <= 0 ){
        printf("Invalid Input\n");
        return 0;
    }
 int found_common = 0;
    for(int i = 0; i < n; i++){
        for(int j = 0; j < m; j++){
          if(*(arr1 + i) == *(arr2 + j)){
              printf("%d ",*(arr1 +i));
              found_common = 1;
              break;
          }
    }
}
if(! found_coomon){
    printf("No common elements\n");
}
printf("\n");
}
int main(){
 int n, m;
 scanf("%d",&n);
 int arr1[n];
 for(int i = 0; i < n; i++){
     scanf("%d", &arr1[i]);
 }
     scanf("%d", &m);
      int arr2[m];
 for(int i = 0; i < m; i++){
     scanf("%d", &arr2[i]);
 }
     findIntersectio(arr1, n, arr2, m);
     return 0;
 }
}