Task: Program Execution
Input (English): first: 61
second: 61
first: -15
second: 41
first: -20
second: 37
first: -63
second: 12
first: 34
second: -34
Output (English): first: -63
second: 12
first: -20
second: 37
first: -15
second: 41
first: 34
second: -34
first: 61
second: 61