#include <stdio.h>

int main()
{
	int a[28],b[4],e[28],f[28],g=0,i,j,k=0,sum[4]={0,0,0,0};

    printf("Please input inventory of Piels:");
    scanf("%d",&b[0]);
    printf("Please input inventory of Coors:");
    scanf("%d",&b[1]);
    printf("Please input inventory of Bud:");
    scanf("%d",&b[2]);
    printf("Please input inventory of Iron City:");
    scanf("%d",&b[3]);

    for(i=0;i<7;i++)
    for(j=1;j<5;j++,k++)
	{
    printf(" the amount purchased of ID number %d:",j);
    scanf("%d",&e[k]);
    printf(" the amount sold of ID number %d:",j);
    scanf("%d",&f[k]);
    a[k]=a[k]+e[k]-f[k];

}
k=0;
    for(i=0;i<7;i++,k++)
    {
    	sum[0]=sum[0]+a[4k];
    	sum[1]=sum[1]+a[4k+1];
    	sum[2]=sum[2]+a[4k+2];
    	sum[3]=sum[3]+a[4k+3];

	}

	for(j=1;j<5;j++,k++,g++)
	{
	printf("The total inventory of ID number%d : %d\n",j,sum[g]+b[g]);

    }
}