#include <stdio.h>

int main() {
    // Initiera variabler
    int firstvalue, secondvalue;

    // Initiera pointer
    int *mypointer;

    // Set pointer to firstvalue address
    mypointer = &firstvalue;

    // Set the value of the pointed object
    *mypointer = 10;

    // Set pointer to secondvalue address
    mypointer = &secondvalue;

    // Set the value of the pointed object
    *mypointer = 20;

    // Print the firstvalue value
    printf("First value: %i\n", firstvalue);

    // Print the secondvalue value
    printf("Second value: %i\n", secondvalue);
}