#include <stdio.h>
int main()
{
short x; //описание переменных
bool mult1, mult2;
printf("Enter x=\n");
scanf("%d",&x); //ввод числа
mult1 = (x % 3 == 0);
x=x/100+x/10%10+x%10;
mult2 = (x % 3 == 0);
if (mult1 == mult2) printf("not refuted"); //проверка признака
else printf("refuted");
return 0;
}
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