Task: Program Execution
Input (English): first: 79
second: -40
first: 49
second: 0
first: -17
second: -33
first: 21
second: -81
first: -64
second: -43
first: 69
second: -69
Output (English): first: -64
second: -43
first: -17
second: -33
first: 21
second: -81
first: 49
second: 0
first: 69
second: -69
first: 79
second: -40