cf A. Vasily the Bear and Triangle

http://codeforces.com/contest/336/problem/A

#include <cstdio>
#include <cstring>
#include <algorithm>
using namespace std;

int main()
{
    int x,y;
    scanf("%d%d",&x,&y);
    if(x>=0&&y>=0)
    {
        printf("%d %d %d %d
",0,y+x,y+x,0);
    }
    else if(x<0&&y>0)
    {
        printf("%d %d %d %d
",x-y,0,0,y-x);
    }
    else if(x<0&&y<0)
    {
        printf("%d %d %d %d
",x+y,0,0,x+y);
    }
    else if(x>0&&y<0)
    {
        printf("%d %d %d %d
",0,y-x,x-y,0);
    }
    return 0;
}