Task: Program Execution
Input (English): first: 6
second: 39
first: 89
second: -4
first: 54
second: -40
first: 70
second: -51
first: 89
second: 23
first: -49
second: 72
Output (English): first: -49
second: 72
first: 6
second: 39
first: 54
second: -40
first: 70
second: -51
first: 89
second: -4
first: 89
second: 23