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function iqTest(numbers){
  numbers = numbers.split(" ").map(Number);

// console.log(numbers.length);
// create a filter between shorter array and longer array
var odd = numbers.filter(function(val) {
	return 0 != val % 2;
});
console.log(odd);
var even = numbers.filter(function(val) {
	return 0 == val % 2;
});
console.log(even);
  
  
  for(i = 0; i < numbers.length; i++) {
    if(numbers[i] % 2 != 0) {
      return i+1;
    }
  }
}