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+import java.util.*;%0Apublic class Tester%0A%7B%0A    %0A    public static void main (String %5B%5D args)%0A    %7B%0A        Scanner sc = new Scanner(System.in);%0A        System.out.println(%22What is the problem you are trying to solve? %22);%0A        String expression = sc.nextLine();%0A        StringCalc c1 = new StringCalc(expression);%0A        System.out.print(c1.operations());%0A%0A%0A        %0A    %7D%0A%7D

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