Task: Program Execution
Input (English): first: 52
second: -42
first: -35
second: -28
first: 99
second: 81
first: -61
second: 19
first: -21
second: -74
first: -67
second: 40
first: -29
second: 0
Output (English): first: -67
second: 40
first: -61
second: 19
first: -35
second: -28
first: -29
second: 0
first: -21
second: -74
first: 52
second: -42
first: 99
second: 81