#include <stdio.h>
#include <string.h>
int fun(char *a,char *b)
{
int i,flag=0;
for(i=0;a[i]!='\0'&&b[i]!='\0';)
if(a[i]==b[i])
i++;
else{
flag=0;
break;
}
if(a[i]=='\0'&&b[i]=='\0')
flag=1;
return flag;
}
int main()
{
char *a="12345";
char *b="1235";
int c;
c=fun(a,b);
printf("%d\n",c);
}