function sumOfTwo(nums1, nums2, value) {
    //  write code here.

    const biggerArray = [...nums1 , ...nums2]
    
    let startPointer = 0;
    let endPointer = biggerArray.length -1;
    
    while(startPointer < endPointer){
        
        const sumOfTwo =  biggerArray[startPointer] + biggerArray[endPointer];
        if(sumOfTwo < value ){
            startPointer++;
        } else if (sumOfTwo > value){
            endPointer--;
        } else {
            console.log(sumOfTwo)
            return true;
        }
        
    }
    
    return false;
}
/**
* Test Suite 
*/
describe('sumOfTwo()', () => {
    it('returns true if a value can be found that by adding one number from each list', () => {
        // arrange
        const nums1 = [1, 2, 3];
        const nums2 = [10, 20, 30, 40];
        const value = 42;
        
        // act
        const result = sumOfTwo(nums1, nums2, value);

        // log
        console.log("result: ", result);
        
        // assert
        expect(result).toBe(true);
    });
});
describe('sumOfTwo()', () => {
    it('returns true if a value can be found that by adding one number from each list', () => {
        // arrange
        const nums1 = [1, 2, 3 , 8 , 9];
        const nums2 = [10, 20, 30, 40];
        const value = 19;
        
        // act
        const result = sumOfTwo(nums1, nums2, value);

        // log
        console.log("result: ", result);
        
        // assert
        expect(result).toBe(true);
    });
});

describe('sumOfTwo()', () => {
    it('returns true if a value can be found that by adding one number from each list', () => {
        // arrange
        const nums1 = [1, 2, 3 , 8 , 9];
        const nums2 = [10, 20, 30, 40 , 55 , 108 , 200];
        const value = 250;
        
        // act
        const result = sumOfTwo(nums1, nums2, value);

        // log
        console.log("result: ", result);
        
        // assert
        expect(result).toBe(false);
    });
});