//ww:run-exit 5
// Migrated from 700_e2e row 19.
package main;
import os;
import strconv;
fn main() i32 = {
  let s: str = strconv.i64tos(12345, strconv.base.DEC);
  os.write(1, s.ptr, s.len: u64);
  os.write(1, "\n".ptr, 1u64);
  return s.len;
};