#7829: 請問 哪裡錯了..


z9001012 (姚)


#include <stdio.h>

int main()
{
int a,b,c,d;
int sum1,sum2;
scanf("%d",&a);
scanf("%d",&b);
scanf("%d",&c);
scanf("%d",&d);
sum1 = a + b;
sum2 = c + d;
printf("%d",sum1);
printf("%d",sum2);
return 0;
}
請問哪裡有錯??