# include <stdio.h>

int a(char s[]){
	
	int i,j;
	for(i=0;s[i]!='\0';i++){
		;
	}
	for(j=0;s[j]!='\0';j++){
		if(s[j]!=s[i-j-1]){
			return 0;
		}
	}
	return 1;
}

int main(){
	int ans;
	char s[1000];
	scanf("%s",s);
	ans=a(s);
	printf("%s->%d\n",s,ans);
	return 0;
}