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

int main() 
{
	char flag[] = { "0111110" };
	char buff[8];
	char c;
	int i, k = 0;
	//Begin Flag
	for (i = 0; i < (int)strlen(flag); i++) {
		if (scanf("%c", &c) <= 0)
			break;
		buff[k++] = c;
	}
	buff[k++] = 0;

	memset(buff, 0, sizeof buff);
	k = 0;
	while (scanf("%c", &c)>0 ){
		if (c == '0') {
			buff[k++] = c;
			while (scanf("%c", &c)>0){
				if (c == flag[k])
					buff[k++] = c;
				else {
					printf("%s", buff);
					memset(buff, 0, sizeof buff);
					k = 0;
					break;
				}
			}
			if (k == strlen(flag)) {
				if (strcmp(buff, flag) == 0) {
					//EndFlag
					break;
				}
				else
					printf("%c", c);
			}
			else
				ungetc(c,stdin);
		}
		else
			printf("%c", c);
	}

	return 0;
}