#include<stdio.h>
#include<string.h>
#include<stdlib.h>
typedef char State[33];
State st[1000010];
int cmp(const char* src, const char *_src){
	return strcmp((char *)src, (char *)_src);
}
int main(){
	State ret, buf;
	int i, k, cnt = 0;
	while (gets(ret)) strcpy(st[cnt++], ret);
	qsort(st, cnt, sizeof(st[0]), cmp);
	i = 0;
	while (i < cnt){
		strcpy(buf, st[i]), k = 0;
		for (; 0 == strcmp(buf, st[i]); i++) k++;
		printf("%s %.4lf\n", buf, (double)k * 100 / cnt);
	}
	return 0;
}