/* package whatever; // don't place package name! */
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
int t
= Integer.
parseInt(br.
readLine()); int x,y,x1,y1,x2,y2,score;
while(t-->0){
score = 0;
input = br.readLine().trim().split(" ");
score = x * y1 + x1 * y2 + y * x2 - y1 * x2 - x * y2 - y * x1;
if(score==0){
}else{
}
}
}
}
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