#include <stdio.h>
#include <stdlib.h>
int main () {
int a;
struct list {int data; struct list *next;};
struct list *h, *t, *p,*r,*c=NULL,*d;
h=(struct list*)malloc(sizeof(struct list));
h->data=0;
h->next=NULL;
while (scanf("%d", &a)==1){
    p=(struct list*)malloc(sizeof(struct list));
    p->data=a;
    p->next=NULL;
    if(h->data==0){
        h->data=p->data;
        continue;
    }
    if(p->data<h->data){        
        p->next=h;
        h=p;
    }
    if(p->data>h->data){
        for(t=h;t->next!=NULL;t=t->next){
            if(p->data<t->next->data){
                c=t->next;
                t->next=p;
                p->next=c;
            }
        }
        t->next=p;
    }
}
return 0;
}

while (scanf("%d", &a)==1){...}
while(h) {...}