Task: Program Execution
Input (English): first: 63
second: -70
first: 90
second: 64
first: 13
second: -18
first: -23
second: 43
first: 89
second: -29
first: -43
second: -45
Output (English): first: -43
second: -45
first: -23
second: 43
first: 13
second: -18
first: 63
second: -70
first: 89
second: -29
first: 90
second: 64