use std::io::*;
use std::str::FromStr;

fn read<T: FromStr>() -> T {
    let stdin = stdin();
    let stdin = stdin.lock();
    let token: String = stdin
        .bytes()
        .map(|c| c.expect("failed to read char") as char) 
        .skip_while(|c| c.is_whitespace())
        .take_while(|c| !c.is_whitespace())
        .collect();
    token.parse().ok().expect("failed to parse token")
}

fn main() {
    let n: usize = read();
    let m: usize = read();
    let op: char = read::<String>().chars().collect::<Vec<char>>()[0];
    let b: Vec<u64> = (0..m).into_iter().map(|_| read()).collect();
    let a: Vec<u64> = (0..m).into_iter().map(|_| read()).collect();
    let c = |a: u64, b: u64| -> u64 { if op == '*' { a * b} else { a + b}};
    for i in 0..n {
        for j in 0..m {
            if j == m - 1 {
                println!("{}", c(a[i], b[j]));
            } else {
                print!("{}", c(a[i], b[j]));
            }
        }
    }
}