Task: Program Execution
Input (English): 4, 7, ['6417', '8305', 'X', 'J', 't', '4285', 'x', 'J', '8551', '9959', 'f', 'b', 't', '6129', 'J', 'Q', '5375', '6013', '2349', 'N', '6833', '9717']
Output (English): Jt4285x