Task: Program Execution
Input (English): first: 79
second: 45
first: 35
second: -15
first: -20
second: -41
first: 12
second: 49
first: 53
second: -59
first: 19
second: -56
Output (English): first: -20
second: -41
first: 12
second: 49
first: 19
second: -56
first: 35
second: -15
first: 53
second: -59
first: 79
second: 45