Given an array of length filled with s at the beginning, and queries, support the following queries:
1 l rOutput the sum of the elements in the subarray .
2 vAdd to all elements in the array, .
The first line will contain two integers .
The next lines will each contain a query of the form defined above.
For each type query, output the desired answer.
4 3 1 2 3 2 4 1 2 4