#include <stdio.h>


void swap(int *a, int *b) {
    int temp = *a;
    *a = *b;
    *b = temp;
}


void sort(int *x, int *y) {
    if (*x > *y) {
        swap(x, y);  
    }
}

int main() {
    int x = 10, y = 5;

    
    sort(&x, &y);

    
    printf(" %d %d\n", x, y);

    return 0;
}