/* 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
{
{
StringBuilder sb = new StringBuilder();
sb.append("?aaa=bbb");
sb.append("?bbb=bbb");
sb.append("?ccc=bbb");
System.
out.
println(sb.
substring(1)); }
}
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