# include <stdio.h>
 
int isPalindrome(char s[]){
	int isPalindrome(char s[]){
    int i = 0;
    while (s[i] != '\0') {
        i++;
    }
 
    int len = 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;
}
 

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