Task: Program Execution
Input (English): first: 87
second: 31
first: 83
second: -82
first: 83
second: -73
first: 19
second: -46
first: 86
second: -36
first: 17
second: -3
first: -42
second: 50
Output (English): first: -42
second: 50
first: 17
second: -3
first: 19
second: -46
first: 83
second: -82
first: 83
second: -73
first: 86
second: -36
first: 87
second: 31