Task: Program Execution
Input (English): 6521, f, m, 1051, w, C, H, X, 7715, 5243, 3365, l, X, J, y, U, 4367, v, 8399, 1731, z
Output (English): 6521, 6, 13, 1051, 23, 3, 8, 24, 7715, 5243, 3365, 12, 24, 10, 25, 21, 4367, 22, 8399, 1731, 26