#include<bits/stdc++.h>usingnamespacestd;longlonga,b;intmain(){scanf("%lld%lld",&a,&b);if(a>=0&&b>=0&&a+b<0)cout<<"\""<<"hello, %lld"<<"\\"<<"n"<<"\"";elseif(a<=0&&b<=0&&a+b>0)cout<<"\""<<"hello, %lld"<<"\\"<<"n"<<"\"";elsecout<<a+b;return0;}
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