Task: Program Execution
Input (English): 5101, W, Z, 8985, 5279, 887, 3055, 5593, 6333, Z, 9719, 4969, 7435, b, 3393, 3385, 5989, z, 9317, 2127, 15, 3127
Output (English): 2, 3, 10, 14, 18