#includeint main()
{
int a,b,c;
int max(int a,int b);
scanf("%d,%d",&a,&b);
c=max(a,b);
printf("%d",c);
}
int max(int a,int b)
{
int c;
if(a>b)
c=a;
else
c=b;
return c;
}
#includeint main()
{
int a,b,c;
int max(int a,int b);
scanf("%d,%d",&a,&b);
c=max(a,b);
printf("%d",c);
}
int max(int a,int b)
{
int c;
if(a>b)
c=a;
else
c=b;
return c;
}