Task: Program Execution
Input (English): 2, 19, ['1139', '2667', '7275', '3451', 'm', '8245', '5033', '5399', '4611', '321', 'b', 'M', 'S', '5551', 't', '8663', 'u', 'G', '8755', '9225', '2729', '9745', 'g', 'l', 'I', 'x']
Output (English): 5578Gu3668t1555SMb1231164993533055428m154357277662