## Number Array

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Number Array   Create a program that helps you keep track of a number array. First, you are going to receive the numbers оn a single line, separated by space, in the following format:

"{number1} {number2} {number3}… {numbern}"

Then you will start receiving commands until you read the "End" message. There are five possible commands:

• "Switch {index}"
• Find the number on this index in your collection, if the index exists, and switch its sign (negative <-> positive).
• "Change {index} {value}"
• Replace the number on the given index with the number given, if the index exists.
• "Sum Negative"
• Print the sum of all negative numbers.
• "Sum Positive"
• Print the sum of all positive numbers.
• "Sum All"
• Print the sum of all numbers.

In the end, print the positive numbers on a single line, keeping in mind that 0 is positive, separated by a single space in the following format:

"{number1} {number2} {number3}… {numbern}"

Input

• On the 1st line you are going to receive the numbers of the array (always integers), separated by a single space.
• On the next lines, until the "End" command is received, you will be receiving commands.

Output

• Print the tasks in the format described above.

Examples

 Input Output 1 2 3 4 5 Switch 4 Change 0 -3 Sum Negative End -8 2 3 4 Comments First, we receive the command "Switch 4" and we make the number on index 4 negative (because it is positive before the command). After this command, the task collection looks like this:  1 2 3 4 -5 Afterwards, we receive the "Change 0 -3" command and we need to change the number on index 0 with the number -3. The collection looks like this now:  -3 2 3 4 -5 After that, we receive the "Sum Negative" command, which means we need to print the sum of all negative numbers and it is -8. In the end, we print all of the positive numbers. This is the result collection: 2 3 4 1 2 3 4 5 4 3 2 1 0 Switch -4 Change 13 0 Switch 0 Sum All End 23 2 3 4 5 4 3 2 1 0