/*
#include <stdio.h>
#include <stdlib.h>
int main()
{
long long int x,y;
scanf("%lld %lld",&x,&y);
printf("%lld\n",x+y);
printf("%lld\n",x-y);
printf("%lld\n",x*y);
printf("%lld\n",x/y);
printf("%lld\n",x%y);
printf("%.2lf",(float)x/y);
return 0;
}
*/
#include <stdio.h>
int main (){
int x,y;
scanf("%d %d",&x,&y);
printf("%.1f",(float)x)
return 0;
}