/* 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[] s1
= {"ram",
"raju",
"seetha"}; if (s1List.contains(s)) {
s1List.remove(s);
}
else {
s1List.add(s);
}
}
}
}
LyogcGFja2FnZSB3aGF0ZXZlcjsgLy8gZG9uJ3QgcGxhY2UgcGFja2FnZSBuYW1lISAqLwoKaW1wb3J0IGphdmEudXRpbC4qOwppbXBvcnQgamF2YS5sYW5nLio7CmltcG9ydCBqYXZhLmlvLio7CgovKiBOYW1lIG9mIHRoZSBjbGFzcyBoYXMgdG8gYmUgIk1haW4iIG9ubHkgaWYgdGhlIGNsYXNzIGlzIHB1YmxpYy4gKi8KY2xhc3MgSWRlb25lCnsKCXB1YmxpYyBzdGF0aWMgdm9pZCBtYWluIChTdHJpbmdbXSBhcmdzKSB0aHJvd3MgamF2YS5sYW5nLkV4Y2VwdGlvbgoJewoJCVN0cmluZ1tdIHMxID0geyJyYW0iLCAicmFqdSIsICJzZWV0aGEifTsKCQlTdHJpbmdbXSBzMiA9IHsicmFtIn07CgkJTGlzdDxTdHJpbmc+IHMxTGlzdCA9IG5ldyBBcnJheUxpc3QoQXJyYXlzLmFzTGlzdChzMSkpOwoJCWZvciAoU3RyaW5nIHMgOiBzMikgewoJCSAgaWYgKHMxTGlzdC5jb250YWlucyhzKSkgewoJCSAgICBzMUxpc3QucmVtb3ZlKHMpOwoJCSAgfQoJCSAgZWxzZSB7CgkJICAgIHMxTGlzdC5hZGQocyk7CgkJICB9CgkJfQoJCVN5c3RlbS5vdXQucHJpbnRsbihzMUxpc3QpOwoJfQp9