importPackage(java.io);
importPackage(java.lang);
// your code goes here
var temp = 'blablablablafunction tr(b){b=b.split("");b=b.reverse();b=b.slice(2);return b.join("")}blablablabla';
var match = "function tr\\(b\\)\\{(.*)\\}";
var f = temp.match(match);
print(f[1]);
aW1wb3J0UGFja2FnZShqYXZhLmlvKTsKaW1wb3J0UGFja2FnZShqYXZhLmxhbmcpOwoKLy8geW91ciBjb2RlIGdvZXMgaGVyZQoKdmFyIHRlbXAgPSAnYmxhYmxhYmxhYmxhZnVuY3Rpb24gdHIoYil7Yj1iLnNwbGl0KCIiKTtiPWIucmV2ZXJzZSgpO2I9Yi5zbGljZSgyKTtyZXR1cm4gYi5qb2luKCIiKX1ibGFibGFibGFibGEnOwp2YXIgbWF0Y2ggPSAiZnVuY3Rpb24gdHJcXChiXFwpXFx7KC4qKVxcfSI7CnZhciBmID0gdGVtcC5tYXRjaChtYXRjaCk7CnByaW50KGZbMV0pOw==