#include <stdio.h>

void print_quadratic(int a, int b, int c)
{
    if(a!=0)
    {
        printf("%dx^2 ",a);
    }
    if(b!=0)
    {
        if(b>0)
        {
            printf("+ %dx ",b);
        }
        else
        {
            printf("- %dx ",-b);
        }
    }
    if(c!=0)
    {
        if(c>0)
        {
            printf("+ %d ",c);
        }
        else
        {
            printf("- %d ",-c);
        }
    }
    
}

int main (void)
{
    printf("Enter a:\n");
    printf("Enter b:\n");
    printf("Enter c:\n");
    int a,b,c;
    
    scanf("%d%d%d",&a,&b,&c);
    print_quadratic(a,b,c);
    
}