https://www.acmicpc.net/problem/14681
const fs=require('fs')
let ip=fs.readFileSync(0).toString().split('\n')
var x=parseInt(ip[0])
var y=parseInt(ip[1])
if(x>0&&y>0) console.log(1)
else if(x<0&&y>0) console.log(2)
else if(x<0&&y<0) console.log(3)
else if(x>0&&y<0) console.log(4)