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



int main() {
	char buf[512];
	int pos = 0, p, r, i;
	char c, t;

	srand((unsigned)time(NULL));
	while ((c = getc(stdin)) != EOF) {
		if ( isupper(c) || islower(c)) {	// if this is a letter
			buf[pos++] = c;			// save the char
		} else {
			// reverse the word
			buf[pos] = 0;		// end the word
			if (pos > 2) {		// if length > 2
				p = 1;
				t = buf[p];		// save the 2nd letter
				// reverse the word for 10 times randomly
				for (i = 0; i < 10; i++) {
					r = rand() % (pos-2) + 1;
					if (r >= 1 && r <= (pos-1)) {
						buf[p] = buf[r];
						p = r;
					}
				}
				buf[p] = t;
			}
			pos = 0;
			printf("%s%c", buf, c);
		}
	}
}