Task: Program Execution
Input (English): first: 19
second: -87
first: -78
second: 39
first: 3
second: -55
first: 34
second: 97
first: -39
second: -24
Output (English): first: -78
second: 39
first: -39
second: -24
first: 3
second: -55
first: 19
second: -87
first: 34
second: 97