// numbers = "1 15 7 3 8 8 19 5 12 8 2 6 8";
numbers = "1 15 82 82 82 82 82 7 3 19 5 12 2 6";
if (numbers.match(/(\d+)\s\1\s\1\s\1/)) print("Found four times repeated number");
else print("No four times repeated number found");
Ly8gbnVtYmVycyA9ICIxIDE1IDcgMyA4IDggMTkgNSAxMiA4IDIgNiA4IjsKbnVtYmVycyA9ICIxIDE1IDgyIDgyIDgyIDgyIDgyIDcgMyAxOSA1IDEyIDIgNiI7CmlmIChudW1iZXJzLm1hdGNoKC8oXGQrKVxzXDFcc1wxXHNcMS8pKSBwcmludCgiRm91bmQgZm91ciB0aW1lcyByZXBlYXRlZCBudW1iZXIiKTsKZWxzZSBwcmludCgiTm8gZm91ciB0aW1lcyByZXBlYXRlZCBudW1iZXIgZm91bmQiKTs=