#include <iostream>
#include <iomanip>
using namespace std;
void clock(int hour, int minute) {
for(auto hour_i = hour; hour_i < 24; ++hour_i) {
for(auto minute_i = (hour_i == hour? minute : 0); minute_i < 60; ++minute_i) {
cout << setw(2) << setfill('0') << hour_i << ":"
<< setw(2) << setfill('0') << minute_i << endl;
}
}
}
int main() {
int hour, minute;
cin >> hour >> minute;
clock(hour, minute);
return 0;
}
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