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int IsEven(long long int number){
	if (number == 0) return 0; 
	long long int loc_num = 0;
	update: 
	
	if (number == loc_num+1) {return 1;
	} else if (number == (loc_num+1)*(-1)) { return 1;
	} else {
		if (number == loc_num+2) {return 0;
		} else if (number == (loc_num+2)*(-1)) { return 0;
		} else {
			if (number == loc_num+3) {return 1;
			} else if (number == (loc_num+3)*(-1)) { return 1;
			} else {
				if (number == loc_num+4) {return 0;
				} else if (number == (loc_num+4)*(-1)) { return 0;
				} else {
					if (number == loc_num+5) {return 1;
					} else if (number == (loc_num+5)*(-1)) { return 1;
					} else {
						if (number == loc_num+6) {return 0;
						} else if (number == (loc_num+6)*(-1)) { return 0;
						} else {
							if (number == loc_num+7) {return 1;
							} else if (number == (loc_num+7)*(-1)) { return 1;
							} else {
								if (number == loc_num+8) {return 0;
								} else if (number == (loc_num+8)*(-1)) { return 0;
								} else {
									if (number == loc_num+9) {return 1;
									} else if (number == (loc_num+9)*(-1)) { return 1;
									} else {
										if (number == loc_num+10) {return 0;
										} else if (number == (loc_num+10)*(-1)) { return 0;
										} else {
												loc_num+=10; 
												goto update;
											}
										}
									}
								}
							}
						}
					}
				}
			}
		}
	}