Golf

warning: variable does not need to be mutable
 --> input/code.rs:6:9
  |
6 |     let mut strokes1 = iter.next().unwrap().unwrap().split_whitespace().map(|x| x.parse::<i32>().unwrap()).reduce(|acc, e| acc + e).unwra...
  |         ----^^^^^^^^
  |         |
  |         help: remove this `mut`
  |
  = note: `#[warn(unused_mut)]` on by default

warning: variable does not need to be mutable
 --> input/code.rs:7:9
  |
7 |     let mut strokes2 = iter.next().unwrap().unwrap().split_whitespace().map(|x| x.parse::<i32>().unwrap()).reduce(|acc, e| acc + e).unwra...
  |         ----^^^^^^^^
  |         |
  |         help: remove this `mut`

warning: 2 warnings emitted

use std::cmp::Ordering;

fn main() {
    let mut iter = std::io::stdin().lines();
    iter.next();
    let mut strokes1 = iter.next().unwrap().unwrap().split_whitespace().map(|x| x.parse::<i32>().unwrap()).reduce(|acc, e| acc + e).unwrap();
    let mut strokes2 = iter.next().unwrap().unwrap().split_whitespace().map(|x| x.parse::<i32>().unwrap()).reduce(|acc, e| acc + e).unwrap();
    match strokes1.cmp(&strokes2) {
        Ordering::Less => println!("Uolevi"),
        Ordering::Equal => println!("Tie"),
        Ordering::Greater => println!("Maija"),
    }
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: ACCEPTED

Test 6

Verdict: ACCEPTED