# include <stdio.h>
 
int isPalindrome(char s[]){
	int end=0;
      for(int i=0;s[i]!='\0';i++){
       end++;
       }
     for(int sta=0;sta<end/2;sta++){ 
         if(s[sta]!=s[end-sta-1]){
           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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