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

char s[100010];
char Word[1010];

void reverse(char* s) {
    char* p = s - 1;
    char* q = s + strlen(s);
    while (++p < --q) {
        char tmp = *p;
        *p = *q;
        *q = tmp;

    }
}

int main() {
    int i, j = 0, k = 0;
    while ((s[j] = getchar()) != '\n') { j++; }
    s[j] = '\0';
    for (i = 0; i <= strlen(s); i++) {
        if (s[i] == 32 || !s[i]) {
            if (s[i] == 32 && s[i - 1] == 32) continue;
            reverse(Word);
            if (s[i] == 32) printf("%s\n", Word);
            else printf("%s", Word);
            memset(Word, 0, 1010);
            k = 0;
        }
        else Word[k++] = s[i];
    }

    return 0;
}