Task: Program Execution
Input (English): 3, 12, ['6859', 'j', 'c', 'a', 'l', '6499', '7821', '5381', '2783', 'B', 't', '4521', 'h', '8699', 'o', 'N', 'A', '4291', 'j', '789', '8961', '9153', '3945', '1891', '1447']
Output (English): c, o