题解 | #小乐乐是否被叫家长#
小乐乐是否被叫家长
https://www.nowcoder.com/practice/cc896ffd90d34c7faa318b04e87adf11
int main() {
int a = 0;
int b = 0;
int c = 0;
scanf("%d %d %d",&a,&b,&c);
int sum = (a+b+c) / 3;
printf("%s",sum>=60?"NO":"YES");
return 0;
}
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