#include <stdio.h>
#include <unistd.h>

int main(void)
{
    long double a[4], b[4], loadavg;
    FILE *fp;
    fp = fopen("/proc/stat","r");
    fscanf(fp,"%*s %Lf %Lf %Lf %Lf",&a[0],&a[1],&a[2],&a[3]);
    fclose(fp);
    sleep(1);
    fp = fopen("/proc/stat","r");
    fscanf(fp,"%*s %Lf %Lf %Lf %Lf",&b[0],&b[1],&b[2],&b[3]);
    fclose(fp);
    loadavg = ((b[0]+b[1]+b[2]) - (a[0]+a[1]+a[2])) / ((b[0]+b[1]+b[2]+b[3]) - (a[0]+a[1]+a[2]+a[3]));
    printf("%*d\n",3,(int)(loadavg*100));
    return(0);
}