Task: Program Execution
Input (English): 19, 21, ['z', 'I', '975', '4907', '1265', '9603', 'j', 'R', 'U', 'j', '7999', '3593', '7613', 'i', 'x', '4589', 'g', 'Q', '8309', '7563', '2845', 'n']
Output (English): 18717