Task: Program Execution
Input (English): first: 31
second: -39
first: 71
second: -39
first: 42
second: -88
first: 53
second: 48
first: 54
second: -47
Output (English): first: 31
second: -39
first: 42
second: -88
first: 53
second: 48
first: 54
second: -47
first: 71
second: -39