#include <stdio.h>
int main (int argc, char ** argv) {
	char c = fgetc(stdin);
	int s = 0; /* 0: not in supp, 1: in supp */
	while (!feof(stdin)) {
		if (c == '}')
			s = 0;
		if (s)
			fputc(c, stdout);
		if (c == '{')
			s = 1;
		c = fgetc(stdin);
	}
	fflush(stdout);
	return 0;
}