const list = [1470,
1577,
1054,
1962,
1107,
1123,
1683,
1680,
1176,
1917,
1786,
1565,
1464,
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1363,
1091,
1072,
1821,
1514,
1526,
1633,
1953,
1594,
1386,
1611,
1354,
490,
1302,
1785,
1504,
1100,
1631,
1570,
1906,
1678,
1742,
1505,
1894,
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1854,
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1284,
1346,
1390,
1285,
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1301,
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1435,
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1335,
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289,
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1325,
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1819,
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2006,
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1965,
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1153,
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1721,
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1938,
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1730,
1187,
1628,
1314,
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1602,
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1900,
1968,
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1832,
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1283,
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1251,
1889,
1521,
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1718,
1263,
1635,
1122,
1243,
1085,
1991,
1271,
1230,
1245,
1318,
1373,
1911,
1282,
1306];
let exit = false;
for (let i of list) {
    if (exit) break;
    for (let j of list) {
        if (i + j == 2020) {
            console.log(i * j);
            exit = true;
            break;
        }
    }
}
exit = false;
for (let i of list) {
    if (exit) break;
    for (let j of list) {
        if (exit) break;
        for (let k of list) {
            if (i + j + k == 2020) {
                console.log(i * j * k);
                exit = true;
                break;
            }
        }
    }
}