Task: Program Execution
Input (English): 18, 23, ['1037', '6989', 'd', '6205', '9305', 'C', '1487', '5127', 'c', '9201', 'Q', '7283', '5701', 'Q', '8165', 'x', 'a', '7625', '8183', 'P', '6633', '8961', '475']
Output (English): 57416983366P38185267