#include <iostream>
using namespace std;
#define MAXSIZE 6
int main() {
int a[MAXSIZE]={1,-1,2,-2,-3,3};
int i = 0,j = MAXSIZE-1;
while(i!=j){
while(a[i]>0&&i<j){
i++;
}
while(a[j]<0&&j>i){
j--;
}
swap(a[i],a[j]);
}
for(int b = 0;b<MAXSIZE;b++)
cout<<a[b]<<endl;
}