codeforce - Vasily the Bear and Triangle

#include<bits/stdc++.h>
using namespace std;
#define fastread()(ios_base::sync_with_stdio(false),cin.tie(NULL));
int main()
{
    int n,m;
    cin>>n>>m;
    int sum=abs(n)+abs(m);
    if(n>0 && m>0)
    {
        printf("0 %d %d 0\n",sum,sum);
    }
    else if(n<0 && m>0)
    {
        printf("-%d 0 0 %d\n",sum,sum);
    }
    else if(n<0 && m<0)
    {
        printf("-%d 0 0 -%d\n",sum,sum);
    }
    else if(n>0 && m<0)
    {
        printf("0 -%d %d 0\n",sum,sum);
    }
}