Task: Program Execution
Input (English): first: 40
second: 46
first: 79
second: -24
first: -37
second: 15
first: -60
second: 26
first: 67
second: 99
first: -91
second: 91
first: 0
second: -51
Output (English): first: -91
second: 91
first: -60
second: 26
first: -37
second: 15
first: 0
second: -51
first: 40
second: 46
first: 67
second: 99
first: 79
second: -24