#include
int main()
{
char a[9];
int i,pos=0;
long sum=0;
do
{
scanf("%c",&a[pos]);
}while(a[pos++]!='\n');
for(i=0;i printf("H="); for(i=0;i { if(a[i]>='a'&&a[i]<='f')a[i]-='a'-'A'; if(a[i]>='0'&&a[i]<='9') sum=sum*16L+(a[i]-'0'); else sum=sum*16L+(a[i]-'A'+10); } printf("%ld\n",sum); system("pause"); return 0; }