Task: Program Execution
Input (English): 7, 13, ['s', 'f', 'h', 'U', 'x', '2431', 'F', '4521', '1309', 'y', 'I', '1915', '2761', 'b', '3835', 'O', 'X', 'D', 'L', 'T', 'i', '53']
Output (English): 27611915Iy13094521F