TMP_C712/SelfEducation/Task/T4/swap/main.c

#include <stdio.h>

void swap(int *px, int *py);

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

    swap(&x, &y);

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