Task: Program Execution
Input (English): first: 50
second: 33
first: 63
second: -57
first: 10
second: 46
first: 36
second: -93
first: -65
second: -28
first: 13
second: 73
first: 26
second: -42
Output (English): first: -65
second: -28
first: 10
second: 46
first: 13
second: 73
first: 26
second: -42
first: 36
second: -93
first: 50
second: 33
first: 63
second: -57