Cacher is the code snippet organizer for pro developers

#include<stdio.h>  
int main()  
{  
    int n,i,a,b,a1,b1;  
    char c;  
    scanf("%d ",&n);  
    for(i=0;i<n;i++){  
        scanf(" %c%d%d%d%d",&c,&a,&b,&a1,&b1);  
        switch(c){  
            case '+':  
                printf("%d %d\n",a+a1,b+b1);  
                break;  
            case '-':  
                printf("%d %d\n",a-a1,b-b1);  
                break;  
            default:  
                printf("%d %d\n",(a*a1-b*b1),(b*a1+a*b1));  
        }  
    }  
    return 0;  
}