#include <stdio.h>
#include <stdlib.h>
#include <string.h>

struct Elem {
    struct Elem *next;
    char *word;
};

struct Elem *InitSingleLinkedList()
{
    struct Elem *list = (struct Elem*)malloc(sizeof(struct Elem));
    list->next = NULL;
    list->word = "xex";
    return list;
}

struct Elem *bsort(struct Elem *list)
{

    return list;
}

int main()
{
    char *cur = (char*)malloc(1000000 * sizeof(char));
    struct Elem *l = InitSingleLinkedList();
    struct Elem *c = l;
    struct Elem *f;
    char *a = (char*)malloc(1000 * sizeof(char));
    int n = 0, i, j = 0, len = 0;
    gets(cur);
    for (i = 0; i < (int)strlen(cur); i++) {
        if (cur[i] != 32) {
            a[j] = cur[i];
            j++;
            len++;
        }
        if (cur[i] == 32 && 0 != len) {
            len = 0;
            j = 0;
            struct Elem *now = (struct Elem *)malloc(sizeof(struct Elem));
            now->word = a;
            c->next = now;
            c = now;
            n++;
        }
    }
    c = l->next;
    for (i = 0; i < n; i++) {
        printf("%s ", c->word);
        c = c->next;
    }
    c = l->next;
    for (i = 0; i < n; i++) {
        f = c->next;
        free(c);
        c = f;
    }
    free(cur);
    free(l);
    free(a);
    return 0;
}