"use strict";
const Main = (input) =>{
   let xs = input.trim().split(' ').map(v=>parseInt(v,10));
   
   //let ans =(xs[0]+xs[1])%2
   //console.log(ans)
  
   if(xs[0]>0 && xs[1]>0){
   console.log('Positive')
   }else if(xs[0]<0 && xs[1]>0){
   console.log('Zero')
   }else if((xs[0]+xs[1])%2 ==-1){
   console.log('Positive')
   }else if((xs[0]+xs[1])%2 ==0){
   console.log('Negative')
   }
}
Main(require('fs').readFileSync('/dev/stdin','utf8'));

