Task: Program Execution
Input (English): first: 61
second: 51
first: -10
second: 78
first: 91
second: -16
first: 31
second: -74
first: 72
second: -65
Output (English): first: -10
second: 78
first: 31
second: -74
first: 61
second: 51
first: 72
second: -65
first: 91
second: -16