#include <iostream>
#include <iomanip>
using namespace std;
int main(){
//input
int n;
cin>>n;
//process
bool check=false;
bool test=false;
if(n==0){
check=true;
}
else{
if(n>0){
test=true;
}
}
//output
if(check) cout<<"n is equal to zero";
else{ if(test){
cout<<"n is postiive number";
}
else cout<<"n is negative number";
}
return 0;
}
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