#include <stdio.h>

void increment(int ptr) {
    ptr++;
}

int main() {
    int num;
    printf("Please enter a number: ");
    scanf("%d", &num);
    int ptr = num;

    printf("Before increment: %d\n", ptr);
    increment(ptr);
    printf("After increment: %d\n", ptr);

    return 0;
}