Task: Program Execution
Input (English): 3643, T, 6765, H, s, 3751, P, 9769, 6247, 9899, c, 1071, F, S, 9251, 7139, 1951, 5015, M
Output (English): 3643, 6765, 3751, 9769, 6247, 9899, 1071, 9251, 7139, 1951, 5015