#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
#include <string.h>

int main(void)
{
	int i = 0;
	char c[20];//如果字符过长编译器会自动补充，然后再给足8个字节的保护空间
	char tmp,d[20];
	//scanf("%s", &c);
	//printf("%s\n", c);
	gets(c);
	strcpy(d, c);
	int len = strlen(c)-1;
	//printf("该字符串的数组下标为%d\n", len);
	while (c[i] != '\0')
	{
		tmp = c[i];
		c[i] = c[len];
		c[len] = tmp;
		//printf("i=%d len=%d", i, len);
		len--;
		i++;
		if (len < i)
		{
			break;
		}
	}
//	puts(c);
	if (strcmp(d, c) < 0)
	{
		printf("-1");
	}
	else if (strcmp(d, c) > 0)
	{
		printf("1");
	}
	else
	{
		printf("0");
	}
	return 0;
}