Task: Program Execution
Input (English): first: 63
second: -85
first: 0
second: -63
first: 26
second: 91
first: -78
second: 11
first: 55
second: 29
Output (English): first: -78
second: 11
first: 0
second: -63
first: 26
second: 91
first: 55
second: 29
first: 63
second: -85