Task: Program Execution
Input (English): first: 45
second: 23
first: 73
second: 84
first: 86
second: 59
first: -66
second: 79
first: 56
second: -64
Output (English): first: -66
second: 79
first: 45
second: 23
first: 56
second: -64
first: 73
second: 84
first: 86
second: 59