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dst.cpp
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#include <iostream>
using namespace std;
void rollforward(int d, int& h, int& m) {
for(int i = 0; i < d; i++) {
m++;
if(m == 60) {
m = 0;
h++;
}
if(h == 24) {
h = 0;
}
}
}
void rollbackward(int d, int& h, int& m) {
for(int i = 0; i < d; i++) {
m--;
if(m == -1) {
m = 59;
h--;
}
if(h == -1) {
h = 23;
}
}
}
int main() {
int n;
cin >> n;
for(int i = 0; i < n; i++) {
char c;
int d, h, m;
cin >> c >> d >> h >> m;
if(c == 'F') {
rollforward(d, h, m);
}
else {
rollbackward(d, h, m);
}
cout << h << " " << m << endl;
}
}