bigNumbers

function sumArrays(arrsLen, arr1, arr2) {

    arrsLen = gets().split(' ').map(Number);

    arr1 = gets().split(' ').map(Number);
    arr2 = gets().split(' ').map(Number);


    let result = [];
    let carry = 0;

    let maxLength = {}
    if (arr1.length >= arr2.length) {
        maxLength = arr1.length;
    }
    else { maxLength = arr2.length; }



    for (let i = 0; i < maxLength; i++) {
        let num1 = arr1[i] || 0;
        let num2 = arr2[i] || 0;

        let sum = num1 + num2 + carry;
        result.push(sum % 10);
        carry = Math.floor(sum / 10);
    }

    while (carry > 0) {
        result.push(carry % 10);
        carry = Math.floor(carry / 10);
    }

    console.log(result.join(' '))
}
sumArrays()