Task: Program Execution
Input (English): first: 40
second: 60
first: 49
second: 51
first: 99
second: -74
first: -84
second: -25
first: -63
second: -53
first: 61
second: 74
first: -55
second: -97
Output (English): first: -84
second: -25
first: -63
second: -53
first: -55
second: -97
first: 40
second: 60
first: 49
second: 51
first: 61
second: 74
first: 99
second: -74