#include <stdio.h>
int main(void){
    int n1=90, n2=150;
    int *pin;
    pin = &n1;
    (*pin) += 20;
    pin=&n2;
    (*pin)-=30;
    printf("%d\n", *pin);
    if(n1<n2) printf("%d\n", n1);
    else printf("%d\n", n2);
    return 0;
}