Task: Program Execution
Input (English): first: 43
second: 23
first: 32
second: 49
first: -18
second: 13
first: 26
second: -85
first: 40
second: -26
first: 21
second: -84
Output (English): first: -18
second: 13
first: 21
second: -84
first: 26
second: -85
first: 32
second: 49
first: 40
second: -26
first: 43
second: 23