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#include<stdio.h>
int main()
{
    int a[10],b[10],c[10],d[10],m=0,k=0,n=0,n1,n2,l,i,j,sy[100];
    printf("Enter size of set A");
    scanf("%d",&n1);
    printf("Enter element of set");
    for( i=0;i<n1;i++)
    scanf("%d",&a[i]);
    printf("Enter size of set B");
    scanf("%d",&n2);
    printf("Enter element of set");
    for( i=0;i<n2;i++)
    scanf("%d",&b[i]);
   
    
    // logic for find A-B
    
    for( i=0;i<n1;i++)
    {
       // here we check that is b[i] already present in the ans set
      // if present then ignore it otherwise add it to the ans set
        for(j=0;j<n2;j++)
        {
            if(b[j]==a[i])
             break;
        }
        if(j==n2)
        {
            
            for(l=0;l<k;l++)
            {
                if(c[l]==a[i])
                 break;
            }
            if(l==k)
            {
                c[k]=a[i];
                k++;
            }
        }
        
    }
    
    // logic for find B-A
    
    for( i=0;i<n2;i++)
    {
        for(j=0;j<n1;j++)
        {
            if(b[i]==a[j])
             break;
        }
        if(j==n1)
        {
          // here we check that is b[i] already present in the ans set
          // if present then ignore it otherwise add it to the ans set 
            for(l=0;l<m;l++)
            {
                if(d[l]==b[i])
                 break;
            }
            if(l==m)
            {
                d[m]=b[i];
                m++;
            }
        }
        
    }
    
    //logic for symmetric Difference
    
    for(i=0;i<k;i++)
    {
        sy[n]=c[i];
        n++;
    }
    for(i=0;i<m;i++)
    {
        sy[n]=d[i];
        n++;
    }
    
    printf("\nsymmetric Difference of sets is:-\n");
    for(i=0;i<n;i++)
     printf("%d ",sy[i]);
    return 0;
    
}