Problem T: Sign

Problem T: Sign

Time Limit: 1 Sec  Memory Limit: 128 MB
Submit: 754  Solved: 579
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Description

请判断实数x的符号。如果x>0，输出1；如果x为0，输出0；如果x<0，输出-1

Input

实数x

Output

x的符号：1、0或-1

Sample Input Copy 

100

Sample Output Copy 

1
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