import java.util.*;
import java.lang.*;
 
class Main
{
	public static void main (String[] args) throws java.lang.Exception
	{
          System.out.println("Foo3,5bar".replaceAll("(?<=Foo\\d{1,2}),\\d{1,2}", ""));
          System.out.println("Foo14,5bar".replaceAll("(?<=Foo\\d{1,2}),\\d{1,2}", ""));
          System.out.println("Foo23,42bar".replaceAll("(?<=Foo\\d{1,2}),\\d{1,2}", ""));
          System.out.println("Foo03,04,50HelloFoo5,3World,45Foo4,123Bar,34Foo34,34,1Hello".replaceAll("(?<=Foo\\d{1,2}),\\d{1,2}", ""));
	}
}

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