Standard I/O examples in a few languages for Contestrus. You get two numbers from standard input and have to output the sum to standard output.

gistfile1.js

var fs = require("fs");

input_lines = fs.readFileSync('/dev/stdin').toString().split('\n').map(function(s) {
  return s.trim();
});

 
nums = input_lines[0].split(' ').map(Number)
 
console.log(nums[0] + nums[1])

gistfile2.rb

a, b = gets.split(" ")

puts a.to_i + b.to_i

gistfile3.go

package main

import "fmt"

func main() {
  var a int
  var b int

  fmt.Scanf("%d %d\n", &a, &b)
  fmt.Println(a + b)
}

gistfile4.py

python
a, b = map(int, raw_input().split(' '))
print a + b