36 lines
332 B
C++
36 lines
332 B
C++
#include <bits/stdc++.h>
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using namespace std;
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int main() {
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int grade = 0;
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scanf("%d", &grade);
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grade /= 10;
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switch (grade) {
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case 10:
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case 9:
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printf("A\n");
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break;
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case 8:
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printf("B\n");
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break;
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case 7:
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printf("C\n");
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break;
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case 6:
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printf("D\n");
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break;
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default:
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printf("F\n");
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}
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return 0;
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}
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