Task: Program Execution
Input (English): first: -21
second: -87
first: 63
second: -12
first: 37
second: 37
first: -31
second: 13
first: 2
second: 0
first: 51
second: -39
first: -93
second: 25
first: -82
second: -69
first: -15
second: -49
Output (English): first: -93
second: 25
first: -82
second: -69
first: -31
second: 13
first: -21
second: -87
first: -15
second: -49
first: 2
second: 0
first: 37
second: 37
first: 51
second: -39
first: 63
second: -12