Task: Program Execution
Input (English): first: 49
second: 87
first: 78
second: -61
first: -50
second: -10
first: -24
second: 35
first: 78
second: -1
Output (English): first: -50
second: -10
first: -24
second: 35
first: 49
second: 87
first: 78
second: -61
first: 78
second: -1