# include <stdio.h>

int isPalindrome(char s[]){
    int j=0;
    for(int i=0;s[i]!='\0';i++){
    j++;
    }
printf("%d",&j);
	for(int k=0;s[k]==s[j];k++,j--){
	if(s[k]=='\0'){
    return 1;
    }
    }
    return 0;
}

int main(){
    char s[100];
    scanf("%s",s);
    printf("%s -> %d\n",s,isPalindrome(s));
    return 0;
}