Task: Program Execution
Input (English): [[48, 44, -5, -121], [-156, 50, -65, -48, -66, -155], [75, 20, -75], [0, 59, 31, -190], [-47, -103, 34, -32, -68, -154], [20, -23, -83, 67, -68, -174, 17], [63, -85]]
Output (English): [48, 50, 75, 59, 34, 67, 63]