#include<stdio.h>
 
int main(){

	int a,b,c,d,e,x,y,z=1;
	char s[50];

while(z!=0)
{

	printf("Name? ");
	scanf("%s",&s);

	do{
		printf("Total annual income? ");
		scanf("%d",&a);
		if(a<=0) {
			printf("Total annual income? ");
        	        scanf("%d",&a);
		}
	}while(a<=0);

	do{
                printf("Marital status (1=Single, 2=Married)? ");
                scanf("%d",&b);
                if(b>2||b<1) {
                        printf("Marital status (1=Single, 2=Married)? ");
                        scanf("%d",&b);
                }
        }while(b<1||b>2);


	if(b==2) {
	printf("Number of children? ");
	scanf("%d",&c);
	}

	do{
              printf("Number of dependent parents? ");
              scanf("%d",&d);
		if(d<0) {
                      printf("Number of dependent parents? ");
                      scanf("%d",&d);               
		}       
	}while(a<=0);

	if(b==1)
		x=30000+(15000*d);
	else if(b==2&&c<6)
		x=30000+30000+(10000*c)+(15000*d);
	else 
		x=30000+30000+50000+(15000*d);

	e=a-x;

	if(e<=20000)
		y=e*0.1;
	else if (e>=20000&&e<=40000)
		y=2000+((e-20000)*0.2);
	else
		y=2000+4000+((e-40000)*0.3);

	printf("Tax for %s is %d\n",s,y);
	printf("Any more (yes=1/no=0)?");
	scanf("%d",&z);
}

printf("\n");

return 0;
}