Task: Program Execution
Input (English): 5, 25, ['B', '3811', 'g', 'h', 'P', '8867', '2121', '8953', 'I', 'q', '5979', 'x', '8575', '7189', '2855', '8443', '2909', '7773', 't', '8261', '311', '1723', 'G', 'r', '5187']
Output (English): 7815rG32711131628t377790923448558298175758x9795qI359812127688P