Task: Program Execution
Input (English): first: 42
second: 52
first: -72
second: -42
first: 72
second: -52
first: 6
second: 0
first: -19
second: 48
first: 74
second: 98
first: 51
second: -89
first: 39
second: 93
Output (English): first: -72
second: -42
first: -19
second: 48
first: 6
second: 0
first: 39
second: 93
first: 42
second: 52
first: 51
second: -89
first: 72
second: -52
first: 74
second: 98