Game Number Wars

package main

import (
    "bufio"
    "fmt"
    "os"
    "strconv"
)

func main() {
    scanner := bufio.NewScanner(os.Stdin)
    scanner.Scan()
    player1 := scanner.Text()

    scanner.Scan()
    player2 := scanner.Text()

    var card1, card2, point1, point2 int

    scanner.Scan()
    command := scanner.Text()

    for  command != "End of game" {
        card1,_ = strconv.Atoi(command)
        scanner.Scan()
        card2,_ = strconv.Atoi(scanner.Text())

        if card1 > card2 {
            point1 += card1 - card2
        } else if card1 < card2 {
            point2 += card2 - card1
        } else {
            scanner.Scan()
            card1,_ = strconv.Atoi(scanner.Text())

            scanner.Scan()
            card2,_ = strconv.Atoi(scanner.Text())

            fmt.Println("Number wars!")

            if card1 > card2 {
                fmt.Printf("%s is winner with %d points", player1, point1)
            } else {
                fmt.Printf("%s is winner with %d points", player2, point2)
            }
            break
        }
        scanner.Scan()
        command = scanner.Text()
    }

    if command == "End of game" {
        fmt.Printf("%s has %d points\n%s has %d points", player1, point1, player2, point2)
    }
}