Task: Program Execution
Input (English): c 7881 U 9213 L 1457 3139 7433 5967 2663 c 6649 q 5545 w 1747 Y z 6429 7749 U 815 u 1381 d 6467 3213 6939 w 8041 o b Z d
Output (English): 3, 7881, 21, 9213, 12, 1457, 3139, 7433, 5967, 2663, 3, 6649, 17, 5545, 23, 1747, 25, 26, 6429, 7749, 21, 815, 21, 1381, 4, 6467, 3213, 6939, 23, 8041, 15, 2, 26, 4