Task: Program Execution
Input (English): first: 79
second: 21
first: 71
second: 86
first: 23
second: 36
first: 63
second: -43
first: 89
second: -83
first: 71
second: 52
first: -41
second: 15
Output (English): first: -41
second: 15
first: 23
second: 36
first: 63
second: -43
first: 71
second: 52
first: 71
second: 86
first: 79
second: 21
first: 89
second: -83