function bar() {

  var x = 1;

  var y = 2;

  return x + y;

}

function foo(a, b, c) {

  var i = a + bar();

  var j = b - bar();

  var k = c * bar();

  return Math.cos(i) + Math.sin(j) - Math.atan(k);

}

var first = foo(1, 2, 3);

var second = foo(4, 5, 6);

print("first was:", first, ", and second was:", second);