18. 2884(알람 시계)

const input = require('fs').readFileSync(0).toString().trim().split(' ').map(Number);

const [H, M] = input;

const total = (H * 60) + M - 45;


const A = parseInt(total / 60); 
const B = total - (A * 60);


if(A >= 24) {
    console.log(A-24,B);
    return;
}

if(B < 0){
    console.log(23, ~~B+60);
    return;
}

console.log(A, B);