Tikut

error[E0425]: cannot find value `a` in this scope
 --> input/code.rs:9:20
  |
9 |     println!("{}", a + b);
  |                    ^ help: a local variable with a similar name exists: `m`

error[E0425]: cannot find value `b` in this scope
 --> input/code.rs:9:24
  |
9 |     println!("{}", a + b);
  |                        ^ help: a local variable with a similar name exists: `m`

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0425`.

use std::io::{BufRead, BufReader};
fn main() {
    let mut input = BufReader::new(std::io::stdin());
    let mut line = "".to_string();
    input.read_line(&mut line).unwrap();
    let mut split = line.split_whitespace();
    let n: i32 = split.next().unwrap().parse().unwrap();
    let m: i32 = split.next().unwrap().parse().unwrap();
    println!("{}", a + b);
}