Task: Program Execution
Input (English): 3, p, c, f, 4
Output (English): [['3', 'p', 'c', 'f'], ['3', 'p', 'c', '4'], ['3', 'p', 'f', '4'], ['3', 'c', 'f', '4'], ['p', 'c', 'f', '4']]