# include <stdio.h>

int isPalindrome(char s[]){

int len = 0;
while(s[len] != '\0'){
len++;
}
int i;
for(i = 0; i < len / 2; i++){
if(s[i] != s[len - 1 - i]){
return 0;
}
}
return 1;


}

//メイン関数は書き換えなくてよいです
int main(){
    char s[100];
    scanf("%s",s);
    printf("%s -> %d\n",s,isPalindrome(s));
    return 0;
}