#define _CRT_SECURE_NO_WARNINGS

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

void ab(char *s)
{
	char *word, str[50], ser[50];
	int a = 1;
	strcpy(str, s);
	word = strtok(str, " ");
	do {
		strcpy(ser, str);
		_strrev(ser);
		a = strcmp(ser, str);
		if (a == 0) break;
		word = strtok(NULL, " ");
	} while (word);
}
void kil(char *s)
{

	char *word, str[50], *ser[50], *easy[50], *maxi = NULL;
	int a = 0, max = 0, mas[50];
	strcpy(str, s);
	word = strtok(str, " ");
	do {
		ser[a] = word;
		a++;
		word = strtok(NULL, " ");
	} while (word);
	for (int i = 0; i < a; i++) {
		int g = 0;
		for (int j = 0; j < a; j++) {
			if (strcmp(ser[i], ser[j]) == 0) g++;
		}
		if (g > max) {
			max = g;
			maxi = ser[i];
		}



	}

	for (int i = 0; i < a; i++) mas[i] = 1;

	for (int i = 0; i < a; i++) {
		int g = 0;
		for (int j = 0; j < a; j++) {
			if (strcmp(ser[i], ser[j]) == 0) {
				g++;
				if (g > 1) mas[j] = 0;
			}
		}
	}
	int z = 0;
	for (int i = 0; i < a; i++) {
		if (mas[i] == 1) {
			easy[z] = ser[i];
			z++;
		}
	}
	printf("Slova bez povtoriv:");
	for (int i = 0; i < z; i++) {
		printf("%s ", easy[i]);
	}
	printf("\n");
	printf(" kilkist - %i ",z);

	char abc[27] = { "qwertyuiopasdfghjklzxcvbnm" };

	for (int i = 0; i < 26; i++) {
		int g = 0;
		for (int j = 0; j < z; j++) {
			if (abc[i] == easy[j][0])g++;
		}
		if (g >= 1)printf("Na bukvu (%c) sliv (%i)\n", abc[i], g);
	}
}


int main()
{
	char s[50];
	gets_s(s);
	kil(s);
	puts(s);
	system("pause");
	return 0;
}