package main

import (
  "fmt"
  "math"
  "math/big"
)

func main() {

  intA := math.MaxInt64
  intA++

  bigA := big.NewInt(math.MaxInt64)
  bigA.Add(bigA, big.NewInt(1))

  fmt.Println("MaxInt64:", math.MaxInt64)
  fmt.Println("Int:    ", intA)
  fmt.Println("Big Int: ", bigA)

}