View Code of Problem 20

#include <stdio.h>
#include <stdlib.h>

int main()
{
    int n;
    while(scanf("%d",&n)!=EOF)
    {
      if(n%3==0)
        {
            printf("No\n");
        }
        else
        {
            printf("Yes\n");
        }

    }
    return 0;
}

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