Task: Program Execution
Input (English): first: 11
second: 31
first: 73
second: 35
first: 49
second: -91
first: -22
second: -31
first: 36
second: -31
Output (English): first: -22
second: -31
first: 11
second: 31
first: 36
second: -31
first: 49
second: -91
first: 73
second: 35