package main

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

func main() {
	if len(os.Args)!=3 {
		fmt.Printf("Must be exactly 2 command line args, got %v\n ", os.Args)
		return
	}
	v,e := strconv.Atoi(os.Args[2])
	if e!=nil {
		fmt.Printf("Could not convert %v to an integer\n", os.Args[2])
		return
	}
	for i:=1; i<=v; i++ {
		fmt.Printf("%v %v\n", i, os.Args[1])
	}
}