c语言学习 - if语句

int main() {
	int input = 0;
	printf("join us");
	printf("Do you want study now |(0/1):");
	scanf("%d", &input);
	if (input = 1) {
		printf("好offer");
	}
	else {
		printf("烤红薯");
	}
	return 0;
}