public int calculateTime(int age) {
		if(age <= -200){
			age += 100;
		}
		else if(age == -100){
			age += 99;
		}
		else if(age == -1){
			age += 2;
		}
		else if(age == 1){
			age = 50;
		}
		else if(age >= 50 && age <=1700){
			age += 50;
		}
		else if(age >= 1750 && age <= 1875){
			age += 25;
		}
		else if(age >= 1900 && age <= 1965){
			age += 5;
		}
		else if(age >= 1970){
			age += 1;
		}
		return age;
	}