Task: Program Execution
Input (English): first: 99
second: 71
first: -21
second: -44
first: 36
second: -54
first: -9
second: -78
first: 42
second: 52
Output (English): first: -21
second: -44
first: -9
second: -78
first: 36
second: -54
first: 42
second: 52
first: 99
second: 71