Task: Program Execution
Input (English): 6401, M, v, c, 9779, B, 3315, 1887, 1779, 7007, g, 8219, l, O, 8187, 3475, 9367, e
Output (English): M, v, c, B, g, l, O, e, 6401, 9779, 3315, 1887, 1779, 7007, 8219, 8187, 3475, 9367