27. 11021(A+B -7)

let input = require('fs').readFileSync(0).toString().split('\n');

let T = parseInt(input[0]);
let answer = '';

for (let i = 1; i <= T ; i++){
    let tmp = input[i].split(' ');
    let sum = parseInt(tmp[0]) + parseInt(tmp[1])
    
    answer += "Case #" + i + ": " + parseInt(sum) + "\n"
}

console.log(answer);