#include<stdio.h>swap(int *p1, int *p2){        int temp;        temp = *p1;        *p1 = *p2;        *p2 = temp;}exchange(int *ep1, int *ep2, int *ep3){        if(*ep1<*ep2) swap(ep1,ep2);        if(*ep1<*ep3) swap(ep1,ep3);        if(*ep2<*ep3) swap(ep2,ep3);}main(){        int a, b, c;        int *pt1, *pt2, *pt3;        scanf("%d,%d,%d", &a, &b, &c);        pt1 = &a; pt2 = &b; pt3 = &c;        exchange(pt1, pt2, pt3);        printf("%d\n%d\n%d\n", a, b, c);}