AT_abc301_g G - Worst Picture

There are $N$ people in a three-dimensional space. The $i$\-th person is at the coordinates $(X_i,Y_i,Z_i)$. All people are at different coordinates, and we have $X_i>0$ for every $i$. You will choose a point $p=(x,y,z)$ such that $x

The input is given from Standard Input in the following format: > $N$ > $X_1$ $Y_1$ $Z_1$ > $\vdots$ > $X_N$ $Y_N$ $Z_N$

Print the answer.

- $1 \leq N \leq 50$ - $0 < X_i \leq 1000$ - $-1000 \leq Y_i,Z_i \leq 1000$ - The triples $(X_i,Y_i,Z_i)$ are distinct. - All values in the input are integers.