Task: Program Execution
Input (English): first: 29
second: -19
first: 75
second: -55
first: 7
second: 86
first: -71
second: -86
first: 6
second: -19
first: 21
second: -76
Output (English): first: -71
second: -86
first: 6
second: -19
first: 7
second: 86
first: 21
second: -76
first: 29
second: -19
first: 75
second: -55