#include <stdio.h>

#define W (s[i] == 239 && s[i + 1] == 189 && s[i + 2] == 151)

unsigned char s[700];
int count, pos[50], len[50];

int main(void) {
	scanf("%s", s);
	
	int i = 0, max = 0;
	while(W) { i += 3; }
	
	while(s[i] != 0) {
		pos[count] = i;
		while(! W && s[i] != 0) { i++; }
		int n = 0;
		while(W) { n++; i += 3; }
		len[count] = n;
		count++;
		max = (max < n ? n : max);
	}
	
	int j;
	for(j = 0; j < count; j++) {
		if(len[j] == max && max != 0) {
			i = pos[j];
			while(! W && s[i] != 0) { printf("%c", s[i]); i++; }
			printf("\n");
		}
	}
	
	return 0;
}