个人所得税问题

#include<stdio.h>
int main()
{
    int x,y;
    scanf("%d",&x);
    if(x>3500)
    {
        if(x<5000)
        {
            y=(x-3500)*0.03;
            printf("%d",y);
        }
        else if(x>=5000&&x<8000)
        {
            y=45+(x-5000)*0.1;
            printf("%d",y);
        }
        else if(x>=8000&&x<12500)
        {
            y=45+300+(x-8000)*0.2;
            printf("%d",y);
        }
        else if(x>=12500&&x<38500)
        {
            y=1500*0.03+3000*0.1+4500*0.2+(x-12500)*0.25;
                printf("%d",y);
        }
        else if(x>=38500&&x<58500)
        {
            y=1500*0.03+3000*0.1+4500*0.2+26000*0.25+(x-38500)*0.3;
            printf("%d",y);
        }
        else if(x>=58500&&x<83500)
        {
            y=1500*0.03+3000*0.1+4500*0.2+26000*0.25+20000*0.3+(x-58500)*0.35;
            printf("%d",y);
        }
        else if(x>83500)
        {
            y=1500*0.03+3000*0.1+4500*0.2+26000*0.25+20000*0.3+25000*0.35+(x-83500)*0.45;
                printf("%d",y);
        }
    }
    else 
        printf("无需缴个人所得税");
    
    return 0;
}