Task: Program Execution
Input (English): first: 49
second: 49
first: 27
second: -53
first: -27
second: -70
first: 67
second: 31
first: 97
second: -97
Output (English): first: -27
second: -70
first: 27
second: -53
first: 49
second: 49
first: 67
second: 31
first: 97
second: -97