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23 lines
356 B
C++
23 lines
356 B
C++
#include <bits/stdc++.h>
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using namespace std;
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int main() {
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int s, v, m, h;
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scanf("%d%d", &s, &v);
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m = s / v;
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if (s % v != 0) {
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m++;
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}
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m += 10;
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h = m / 60;
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m %= 60;
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if (h > 7) {
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printf("%02d", 24 + 7 - h);
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} else {
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printf("%02d", 7 - h);
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}
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printf(":%02d\n", 60 - m);
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return 0;
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}
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