#include <stdio.h>

void swap(int *x, int *y);
void sort(int *x, int *y);

int main(void) {
    int x, y;
    scanf("%d %d", &x, &y);
    
    sort(&x, &y);

    printf("x=%d , y=%d\n", x, y);
    
    return 0;
}

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

void swap(int *x, int *y) {
    int w;
    w = *x;
    *x = *y;
    *y = w;
}