import java.util.*;
import java.lang.*;
class Main
{
{
String s
= "11111aA$xx1111xxdj$%%"; String res
= s.
replaceAll("^1+",
""); }
}
aW1wb3J0IGphdmEudXRpbC4qOwppbXBvcnQgamF2YS5sYW5nLio7CgpjbGFzcyBNYWluCnsKCXB1YmxpYyBzdGF0aWMgdm9pZCBtYWluIChTdHJpbmdbXSBhcmdzKSB0aHJvd3MgamF2YS5sYW5nLkV4Y2VwdGlvbgoJewoJCVN0cmluZyBzID0gIjExMTExYUEkeHgxMTExeHhkaiQlJSI7CgkJU3RyaW5nIHJlcyA9IHMucmVwbGFjZUFsbCgiXjErIiwgIiIpOwoJCVN5c3RlbS5vdXQucHJpbnRsbihyZXMpOwoJfQp9