/*Problem 10 GROUP 3*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int equalCharCount(char* s,char* ss){
    if((*s)=='\0')return 0;
    if((*ss)=='\0')return 0;
    if((*s)!=(*ss)) return 0;
    return 1+equalCharCount(s+1,ss+1);
}

int main(){
    printf("%d\n",equalCharCount("hellhaffoHowAreYou","hellhaffaj"));
}