#include <stdio.h>
#include <string.h>
#define TRUE 1
#define FALSE 0

int palindrom(char *a, int count)
{
    int i = 0;
    while(i<=count)
    {
        if (a[i]!=a[count-1])
            return FALSE;
        i++;
        count--;
    }
    return TRUE;
}

int main()
{
    char s[256];
    FILE *f1=fopen("karin.txt","r");
    FILE *f2=fopen("karout.txt","w");
    while(fscanf(f1,"%s",s))
    {
        if (palindrom(s, strlen(s)))
            fprintf(f2,"yes ");
        else
            fprintf(f2,"no ");
        if (feof(f1))
            break;
    }
    fclose(f1);
    fclose(f2);
    return 0;

}