#include <stdio.h>    /* stdin, printf, and fgets */
#include <string.h>   /* for all the new-fangled string functions */


int main()
{
    char string [30];
    char string2 [2];


    int i=0 ;
    int brojac = 0;



    printf("unesite prvi niz:\n");
    fgets(string, 30, stdin);
    printf("unesite drugi niz:\n");
    fgets(string2, 2, stdin);
    printf("%c", string[1]);

    while (string[i]!= '\0')
    {
        if ( string[i] == 'a')
    {
        brojac = brojac + 1;
    }
        ++i;


    }

    printf("broj ponovljanja je: %d", brojac);



    return 0;
}