//
// Print the input one word per line
// K&R Exercise 1-12.
//

#include <stdio.h>


#define WASSPACE    0
#define WASNOTSPACE 1

int
main()
{
    int c;
    int prev;

    prev = WASSPACE;
    while ( (c = getchar()) != EOF ) {

        if (c == ' ' || c == '\t' || c == '\n') {
            if (prev == WASNOTSPACE) {
                printf("\n");
                prev = WASSPACE;
            }
        } else {
            printf("%c", c);
            prev = WASNOTSPACE;
        }

    }

    return 0;
}