Problem W: 坐标与象限

Problem W: 坐标与象限

Time Limit: 1 Sec  Memory Limit: 128 MB
Submit: 1147  Solved: 740
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Description

已知二维平面上点P的坐标(x,y),且x、y均不为0,则P所在的象限是确定的

Input

点P的坐标x,y(x,y均为实数并满足x≠0且y≠0)

Output

点P所在的象限

Sample Input Copy

1   3.14
-10    56
-34   -78
2.718  -100

Sample Output Copy

1
2
3
4