Task: Program Execution
Input (English): first: 77
second: 17
first: 23
second: -21
first: 75
second: 21
first: 25
second: -89
first: 91
second: -9
Output (English): first: 23
second: -21
first: 25
second: -89
first: 75
second: 21
first: 77
second: 17
first: 91
second: -9