Help me in solving RECUR23 problem

help
,
1

My issue

Traceback (most recent call last):
File “/mnt/sol.py”, line 31, in
main()
File “/mnt/sol.py”, line 20, in main
T = int(input())
^^^^^^^
EOFError: EOF when reading a line

My code

# cook your dish here
def find_combinations(arr, target):
    def backtrack(start, path, target):
        if target == 0:
            result.append(path[:])
            return
        for i in range(start, len(arr)):
            if arr[i] > target:
                break
            path.append(arr[i])
            backtrack(i, path, target - arr[i])
            path.pop()

    arr.sort()
    result = []
    backtrack(0, [], target)
    return result

def main():
    T = int(input())
    for _ in range(T):
        N, B = map(int, input().split())
        arr = list(map(int, input().split()))
        combinations = find_combinations(arr, B)
        
        print(len(combinations))
        for combination in combinations:
            print(" ".join(map(str, combination)))

if __name__ == "__main__":
    main()

Learning course: Design and Analysis of Algorithms
Problem Link: https://www.codechef.com/learn/course/kl-daa/KLDAA2400I/problems/RECUR23