void main()
{
int n;
printf("請(qǐng)輸入一個(gè)整數(shù):");
scanf("%d",&n);
if(n%3==0&&n%5==0&&n%7==0)
printf("\n此數(shù)能被3,5,7整除\n");
else
printf("\n此數(shù)不能被3,5,7整除\n");
}