# include <stdio.h>
 
int isPalindrome(char s[]){
int i;
while(s[i]!='\0'){
i++;
}
int p;
for(p=0;p<i/2;p++){
if(s[p]!=s[i-1-p]){
return 0;
}
}
 
return 1;
 
	//関数の中だけを書き換えてください
	//回文になっているとき１を返す
	//回文になっていないとき０を返す
}
 
//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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