//ww:run-exit 0
// Migrated from 700_e2e row 25.
package main;
import fmt;
import strconv;
fn main() i32 = {
  fmt.println("ww");
  fmt.println(strconv.i64tos(42, strconv.base.DEC));
  fmt.println(strconv.i64tos(-7, strconv.base.DEC));
  return 0;
};