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

#define IN 0
#define OUT 1

#include <stdio.h>
int
main()
{
    int c, state;

    c = getchar();
    state=OUT;
    while (c != EOF) {
        if (c == ' ' || c == '\t' || c == '\n' || c == '\r') {
            if (state == IN) {
                printf("\n");
            }
            state=OUT;
        } else {
            state=IN;
            printf("%c", c);
        }

        c = getchar();
    }

    return 0;
}