Bank Number Generator

function bankNumberGenerator(input) {
    let a = Number(input[0]);
    let b = input[1].charCodeAt(0);
    let c = input[2].charCodeAt(0);
    let d = input[3].charCodeAt(0);
    let e = Number(input[4]);
    let n = Number(input[5]);

    for (let i = a; i <= 99; i++) {
        for (let j = b; j <= 'Z'.charCodeAt(0); j++) {
            for (let k = c; k <= 'z'.charCodeAt(0); k++) {
                for (let l = d; l <= 'Z'.charCodeAt(0); l++) {
                    for (let m = e; m >= 10; m--) {
                        if (i % 10 == 2 && m % 10 == 5) {
                            n--;
                            if (n == 0) {
                                console.log(`${i}${String.fromCharCode(j)}${String.fromCharCode(k)}${String.fromCharCode(l)}${m}`);
                                return;
                            }
                        }
                    }
                }
            }
        }
    }

    return;
}