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
#include <stdio.h>
int main() {
int a,b,c,av;
scanf("%d %d %d",&a,&b,&c);
av=(a+b+c)/3;
if(av>=60) printf("NO");
else printf("YES");
return 0;
}