void main() { int a,b,c; printf("please enter 3 numbers:");

void main() { int a,b,c; printf("please enter 3 numbers:"); scanf("%d,%d,%d",&a,&b,&c); printf("a+bint a,b,c;printf("please enter 3 numbers:");scanf("%d,%d,%d",&a,&b,&c);printf("a+b+c=%d\n",a+b+c);输入40,50,60