Task: Program Execution
Input (English): first: 99
second: -78
first: 18
second: -91
first: -91
second: 20
first: 82
second: 0
first: 48
second: -46
Output (English): first: -91
second: 20
first: 18
second: -91
first: 48
second: -46
first: 82
second: 0
first: 99
second: -78