#include <stdio.h>

int main()
{
	int T;
	long int A, B, C;
	scanf("%d", &T);

	for (int i = 0; i < T; i++) {
		scanf("%ld %ld %ld", &A, &B, &C);
		printf("Case #%d: %s\n", i + 1, A + B > C ? "true" : "false");
	}

	return 0;
}