sum two numbers

function sumTwoNumbers(input) {
    let combinations = 0;
    let combinationFound = false;

    for (let i = 0; i < input.length; i++) {
        input[i] = Number(input[i]);
    }

    for (let i = (input[0]); i <= input[1]; i++) {
        for (let j = input[0]; j <= Number(input[1]); j++) {
            combinations++;
            if (i + j == input[2]) {
                console.log(`Combination N:${combinations} (${i} + ${j} = ${input[2]})`);
                combinationFound = true;
                break;
            }
        }
        if (combinationFound) {
            break;
        }
        if (!combinationFound) {
            console.log (`${combinations} - neither equals ${input[2]}`);
        }
    }
}