Task: Program Execution
Input (English): first: 43
second: 46
first: 59
second: -90
first: 65
second: 16
first: 91
second: -69
first: -58
second: 25
Output (English): first: -58
second: 25
first: 43
second: 46
first: 59
second: -90
first: 65
second: 16
first: 91
second: -69