#include 

int i;
void searchIndex(int data[], int length, int target){
	int start=0, sum=0;
	for(int end=0;endtarget){
			sum-=data[start];
			start++;
		}
		if(sum==target){
			printf("Case #%d: %d %d\n", i, start, end);
			return;
		}
	}
	printf("Case #%d: -1\n", i);
}

int main(){
	int sum, n, q;
	scanf("%d", &n);
	int data[n];
	scanf("%d", &q);
	for(i=0;i