Answer Posted / sai

int num=687;
int sum=0;

int i;

System.out.println(num);
for(i=num;(sum>=0)&&(i>0);){
//System.out.println(i);
i=num%10;
System.out.println(i);
sum+=i;
//System.out.println(sum);
num/=10;
//System.out.println(i);
}
System.out.println(sum);

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