//ww:run-exit 35
// Migrated from 700_e2e row 98.
package main;
import strconv;
type r_t = (i64 | strconv.invalid | strconv.overflow);
fn main() i32 = {
  let r1: r_t = strconv.stoi64("42", strconv.base.DEC);
  let r2: r_t = strconv.stoi64("-7", strconv.base.DEC);
  let r3: r_t = strconv.stoi64("abc", strconv.base.DEC);
  let acc: i32 = 0;
  match (r1) {
    case let v: i64 => acc += v: i32;
    case let e: strconv.invalid => acc += -100;
    case let e: strconv.overflow => acc += -200;
  };
  match (r2) {
    case let v: i64 => acc += v: i32;
    case let e: strconv.invalid => acc += -100;
    case let e: strconv.overflow => acc += -200;
  };
  match (r3) {
    case let v: i64 => acc += -100;
    case let e: strconv.invalid => acc += e: i32;
    case let e: strconv.overflow => acc += -200;
  };
  return acc;
};