Double Pointer

#include <stdio.h>

void assign(int **p, int *p2)
{
    if((**p % 2) == 0) *p = p2;
}

void reassign_based_on_value(int **pp, int *n2_ptr) {
    // Your logic here
    assign(pp,n2_ptr);

}

int main() {
    int n1, n2;
    scanf("%d %d", &n1, &n2);

    int *p = &n1;

    reassign_based_on_value(&p, &n2);

    printf("%d", *p);

    return 0;
}