package main

import "fmt"

func plus(a int, b int) int {
	return a + b
}

func plusPlus(a, b, c int) int {
	return a + b + c
}

func concat(a, b string) string {
	return a + b
}

func main() {

	res := plus(1, 2)
	fmt.Println("1+2 =", res)

	res = plusPlus(1, 2, 3)
	fmt.Println("1+2+3 =", res)

	words := concat("howdy", "doody")
	fmt.Println(words)

}