module Main;

import CPLib.IO::{read_i, read_is};
import MPFR::MPFR::{mpfr_i, sqrt, to_string_digits, to_string_precision};

main : IO () = (
    let prec = 128;
    let mpfr = mpfr_i(prec);

    let n = *read_i;
    let xs = *read_is(n);

    range(0, n).fold_m(mpfr(0), |i, sum|
        let sum = sum + xs.@(i).mpfr.sqrt;
        sum.to_string_digits(16).println;;
        sum.pure
    );;
    
    pure()
);