Task: Program Execution
Input (English): first: 8
second: 15
first: 43
second: 66
first: 57
second: -12
first: 51
second: -18
first: -14
second: 3
first: 32
second: 4
first: -72
second: 7
Output (English): first: -72
second: 7
first: -14
second: 3
first: 8
second: 15
first: 32
second: 4
first: 43
second: 66
first: 51
second: -18
first: 57
second: -12