#include
using namespace std;
int main()
{
int s, v,mo,t0,t1,t2,t3;
cin >> s >> v;
t0 = s / v;
mo = s % v;
if (mo == 0)
{
t1 = t0;
}
else t1 = t0 + 1;
t2 = 10;
t3 = t1 + t2;
int h, m,t4;
t4 = 480 - t3;
h = t4 / 60;
m = t4 % 60;
cout << 0 << h << ':';
if (m < 10)
{
cout << 0 << m;
}
else cout << m ;
return 0;
}```cpp
#include
using namespace std;
int main()
{
int s, v,mo,t0,t1,t2,t3;
cin >> s >> v;
t0 = s / v;
mo = s % v;
if (mo == 0)
{
t1 = t0;
}
else t1 = t0 + 1;
t2 = 10;
t3 = t1 + t2;
int h, m,t4;
t4 = 480 - t3;
h = t4 / 60;
m = t4 % 60;
cout << 0 << h << ':';
if (m < 10)
{
cout << 0 << m;
}
else cout << m ;
return 0;
}