/* package whatever; // don't place package name! */
import java.util.*;
import java.lang.*;
import java.io.*;
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
{
String result
= in.
replaceAll("(.{" + val
+ "})",
"$0 ").
trim();
val = "4";
result = in.replaceAll("(.{" + val + "})", "$0 ").trim();
}
}
LyogcGFja2FnZSB3aGF0ZXZlcjsgLy8gZG9uJ3QgcGxhY2UgcGFja2FnZSBuYW1lISAqLwoKaW1wb3J0IGphdmEudXRpbC4qOwppbXBvcnQgamF2YS5sYW5nLio7CmltcG9ydCBqYXZhLmlvLio7CgovKiBOYW1lIG9mIHRoZSBjbGFzcyBoYXMgdG8gYmUgIk1haW4iIG9ubHkgaWYgdGhlIGNsYXNzIGlzIHB1YmxpYy4gKi8KY2xhc3MgSWRlb25lCnsKCXB1YmxpYyBzdGF0aWMgdm9pZCBtYWluIChTdHJpbmdbXSBhcmdzKSB0aHJvd3MgamF2YS5sYW5nLkV4Y2VwdGlvbgoJewoJCVN0cmluZyBpbiA9ICJvb2dhYm9vZ2EiOwoJCVN0cmluZyB2YWwgPSAiMiI7CgkJU3RyaW5nIHJlc3VsdCA9IGluLnJlcGxhY2VBbGwoIigueyIgKyB2YWwgKyAifSkiLCAiJDAgIikudHJpbSgpOwoJCVN5c3RlbS5vdXQucHJpbnRsbihyZXN1bHQpOwoJCQoJCXZhbCA9ICI0IjsKCQlyZXN1bHQgPSBpbi5yZXBsYWNlQWxsKCIoLnsiICsgdmFsICsgIn0pIiwgIiQwICIpLnRyaW0oKTsKCQlTeXN0ZW0ub3V0LnByaW50bG4ocmVzdWx0KTsKCX0KfQ==