#include "stdio.h"
#include "string.h"
void main ()
{
	int i=0,A[26]={0},k;
	char S[100];
	printf("Unesite recenicu:\n");
	gets(S);
	printf("Unesite k:\n");
	scanf("%d",&k);
	while (S[i]!= '\0')
	{
		if (S[i] >= 'a' && S[i]<= 'z')
			A[S[i]-'a']++;
		i++;
	}
	for (i=0;i<26;i++)
		if (A[i]==k)
			printf("Slovo %c se pojavljuje %d puta.\n",i+'a',A[i]);
}