Started on ABC 50

atcoder/beginner_contests/abc050/src/bin/a.rs

@@ -0,0 +1,19 @@
+use proconio::input;
+
+fn main() {
+    input! {
+        a: u32,
+        op: char,
+        b: u32,
+    }
+
+    let mut result = a as i32;
+
+    match op {
+        '+' => result += b as i32,
+        '-' => result -= b as i32,
+        _ => unreachable!(),
+    }
+
+    println!("{}", result);
+}