#include <stdio.h>
char *f(char* string )
{

    int i=0, j;

    while(string[i]!='\0')
    {
        if (string[i]>='0' && string[i]<='9')
        {
            for (j=i; string[j+1]!='\0'; j++)
            {
                string[j]=string[j+1];
            }
            string[j]=string[j+i];
        }
         else i++;
    }
    return string;
}

int main ()
{ char recenica[80];
    printf("Unesi rec:");
    gets(recenica);
    printf("Zamjena: %s  ", f(recenica));
    return 0;

}