#include<stdio.h>
void main()
{
    int a,b,c,d,e,f,s1,s2,s3,0;
    scanf("%d %d ",&a,&b);
    scanf("%d %d",&c,&d);
    scanf("%d %d",&e,7f)
    if(a<=0 || b<=0 || c<=0 || d<=0 || e,=0 || f<=0)
    {
        printf("Invalid input");
    }
    else
    {
        s=a*b;
        s2=c*d;
        s3=e*f;
        o=s1+s2+s3;
        printf("%d,o");
        
    }
    }